diff --git a/youtube_dl/extractor/abc.py b/youtube_dl/extractor/abc.py
index 6a29e587f..b584277be 100644
--- a/youtube_dl/extractor/abc.py
+++ b/youtube_dl/extractor/abc.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 class ABCIE(InfoExtractor):
     IE_NAME = 'abc.net.au'
-    _VALID_URL = r'http://www\.abc\.net\.au/news/(?:[^/]+/){1,2}(?P<id>\d+)'
+    _VALID_URL = r'https?://www\.abc\.net\.au/news/(?:[^/]+/){1,2}(?P<id>\d+)'
 
     _TESTS = [{
         'url': 'http://www.abc.net.au/news/2014-11-05/australia-to-staff-ebola-treatment-centre-in-sierra-leone/5868334',
diff --git a/youtube_dl/extractor/addanime.py b/youtube_dl/extractor/addanime.py
index e3e6d2113..fb1cc02e1 100644
--- a/youtube_dl/extractor/addanime.py
+++ b/youtube_dl/extractor/addanime.py
@@ -16,7 +16,7 @@ from ..utils import (
 
 
 class AddAnimeIE(InfoExtractor):
-    _VALID_URL = r'http://(?:\w+\.)?add-anime\.net/(?:watch_video\.php\?(?:.*?)v=|video/)(?P<id>[\w_]+)'
+    _VALID_URL = r'https?://(?:\w+\.)?add-anime\.net/(?:watch_video\.php\?(?:.*?)v=|video/)(?P<id>[\w_]+)'
     _TESTS = [{
         'url': 'http://www.add-anime.net/watch_video.php?v=24MR3YO5SAS9',
         'md5': '72954ea10bc979ab5e2eb288b21425a0',
diff --git a/youtube_dl/extractor/aftonbladet.py b/youtube_dl/extractor/aftonbladet.py
index e0518cf26..d548592fe 100644
--- a/youtube_dl/extractor/aftonbladet.py
+++ b/youtube_dl/extractor/aftonbladet.py
@@ -6,7 +6,7 @@ from ..utils import int_or_none
 
 
 class AftonbladetIE(InfoExtractor):
-    _VALID_URL = r'http://tv\.aftonbladet\.se/abtv/articles/(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://tv\.aftonbladet\.se/abtv/articles/(?P<id>[0-9]+)'
     _TEST = {
         'url': 'http://tv.aftonbladet.se/abtv/articles/36015',
         'info_dict': {
diff --git a/youtube_dl/extractor/aljazeera.py b/youtube_dl/extractor/aljazeera.py
index cddcaa489..b081695d8 100644
--- a/youtube_dl/extractor/aljazeera.py
+++ b/youtube_dl/extractor/aljazeera.py
@@ -4,7 +4,7 @@ from .common import InfoExtractor
 
 
 class AlJazeeraIE(InfoExtractor):
-    _VALID_URL = r'http://www\.aljazeera\.com/programmes/.*?/(?P<id>[^/]+)\.html'
+    _VALID_URL = r'https?://www\.aljazeera\.com/programmes/.*?/(?P<id>[^/]+)\.html'
 
     _TEST = {
         'url': 'http://www.aljazeera.com/programmes/the-slum/2014/08/deliverance-201482883754237240.html',
diff --git a/youtube_dl/extractor/aol.py b/youtube_dl/extractor/aol.py
index b761b2cc4..95a99c6b0 100644
--- a/youtube_dl/extractor/aol.py
+++ b/youtube_dl/extractor/aol.py
@@ -5,7 +5,7 @@ from .common import InfoExtractor
 
 class AolIE(InfoExtractor):
     IE_NAME = 'on.aol.com'
-    _VALID_URL = r'(?:aol-video:|http://on\.aol\.com/video/.*-)(?P<id>[0-9]+)(?:$|\?)'
+    _VALID_URL = r'(?:aol-video:|https?://on\.aol\.com/video/.*-)(?P<id>[0-9]+)(?:$|\?)'
 
     _TESTS = [{
         'url': 'http://on.aol.com/video/u-s--official-warns-of-largest-ever-irs-phone-scam-518167793?icid=OnHomepageC2Wide_MustSee_Img',
@@ -25,7 +25,7 @@ class AolIE(InfoExtractor):
 
 class AolFeaturesIE(InfoExtractor):
     IE_NAME = 'features.aol.com'
-    _VALID_URL = r'http://features\.aol\.com/video/(?P<id>[^/?#]+)'
+    _VALID_URL = r'https?://features\.aol\.com/video/(?P<id>[^/?#]+)'
 
     _TESTS = [{
         'url': 'http://features.aol.com/video/behind-secret-second-careers-late-night-talk-show-hosts',
diff --git a/youtube_dl/extractor/arte.py b/youtube_dl/extractor/arte.py
index 3e119e21b..ae0f27dcb 100644
--- a/youtube_dl/extractor/arte.py
+++ b/youtube_dl/extractor/arte.py
@@ -23,7 +23,7 @@ from ..utils import (
 
 
 class ArteTvIE(InfoExtractor):
-    _VALID_URL = r'http://videos\.arte\.tv/(?P<lang>fr|de|en|es)/.*-(?P<id>.*?)\.html'
+    _VALID_URL = r'https?://videos\.arte\.tv/(?P<lang>fr|de|en|es)/.*-(?P<id>.*?)\.html'
     IE_NAME = 'arte.tv'
 
     def _real_extract(self, url):
diff --git a/youtube_dl/extractor/azubu.py b/youtube_dl/extractor/azubu.py
index 011edf128..1805b7312 100644
--- a/youtube_dl/extractor/azubu.py
+++ b/youtube_dl/extractor/azubu.py
@@ -98,7 +98,7 @@ class AzubuIE(InfoExtractor):
 
 
 class AzubuLiveIE(InfoExtractor):
-    _VALID_URL = r'http://www.azubu.tv/(?P<id>[^/]+)$'
+    _VALID_URL = r'https?://www.azubu.tv/(?P<id>[^/]+)$'
 
     _TEST = {
         'url': 'http://www.azubu.tv/MarsTVMDLen',
diff --git a/youtube_dl/extractor/baidu.py b/youtube_dl/extractor/baidu.py
index 76b21e596..234a661d3 100644
--- a/youtube_dl/extractor/baidu.py
+++ b/youtube_dl/extractor/baidu.py
@@ -9,7 +9,7 @@ from ..utils import unescapeHTML
 
 class BaiduVideoIE(InfoExtractor):
     IE_DESC = '百度视频'
-    _VALID_URL = r'http://v\.baidu\.com/(?P<type>[a-z]+)/(?P<id>\d+)\.htm'
+    _VALID_URL = r'https?://v\.baidu\.com/(?P<type>[a-z]+)/(?P<id>\d+)\.htm'
     _TESTS = [{
         'url': 'http://v.baidu.com/comic/1069.htm?frp=bdbrand&q=%E4%B8%AD%E5%8D%8E%E5%B0%8F%E5%BD%93%E5%AE%B6',
         'info_dict': {
diff --git a/youtube_dl/extractor/bbc.py b/youtube_dl/extractor/bbc.py
index c3176700a..2dfcee98d 100644
--- a/youtube_dl/extractor/bbc.py
+++ b/youtube_dl/extractor/bbc.py
@@ -942,7 +942,7 @@ class BBCIE(BBCCoUkIE):
 
 
 class BBCCoUkArticleIE(InfoExtractor):
-    _VALID_URL = r'http://www.bbc.co.uk/programmes/articles/(?P<id>[a-zA-Z0-9]+)'
+    _VALID_URL = r'https?://www.bbc.co.uk/programmes/articles/(?P<id>[a-zA-Z0-9]+)'
     IE_NAME = 'bbc.co.uk:article'
     IE_DESC = 'BBC articles'
 
diff --git a/youtube_dl/extractor/behindkink.py b/youtube_dl/extractor/behindkink.py
index 1bdc25812..9bca853b3 100644
--- a/youtube_dl/extractor/behindkink.py
+++ b/youtube_dl/extractor/behindkink.py
@@ -8,7 +8,7 @@ from ..utils import url_basename
 
 
 class BehindKinkIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?behindkink\.com/(?P<year>[0-9]{4})/(?P<month>[0-9]{2})/(?P<day>[0-9]{2})/(?P<id>[^/#?_]+)'
+    _VALID_URL = r'https?://(?:www\.)?behindkink\.com/(?P<year>[0-9]{4})/(?P<month>[0-9]{2})/(?P<day>[0-9]{2})/(?P<id>[^/#?_]+)'
     _TEST = {
         'url': 'http://www.behindkink.com/2014/12/05/what-are-you-passionate-about-marley-blaze/',
         'md5': '507b57d8fdcd75a41a9a7bdb7989c762',
diff --git a/youtube_dl/extractor/bilibili.py b/youtube_dl/extractor/bilibili.py
index 59beb11bc..8baff2041 100644
--- a/youtube_dl/extractor/bilibili.py
+++ b/youtube_dl/extractor/bilibili.py
@@ -14,7 +14,7 @@ from ..utils import (
 
 
 class BiliBiliIE(InfoExtractor):
-    _VALID_URL = r'http://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)(?:/index_(?P<page_num>\d+).html)?'
+    _VALID_URL = r'https?://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)(?:/index_(?P<page_num>\d+).html)?'
 
     _TESTS = [{
         'url': 'http://www.bilibili.tv/video/av1074402/',
diff --git a/youtube_dl/extractor/bokecc.py b/youtube_dl/extractor/bokecc.py
index 122a1cbb6..86a7f4d7d 100644
--- a/youtube_dl/extractor/bokecc.py
+++ b/youtube_dl/extractor/bokecc.py
@@ -33,7 +33,7 @@ class BokeCCBaseIE(InfoExtractor):
 
 class BokeCCIE(BokeCCBaseIE):
     _IE_DESC = 'CC视频'
-    _VALID_URL = r'http://union\.bokecc\.com/playvideo\.bo\?(?P<query>.*)'
+    _VALID_URL = r'https?://union\.bokecc\.com/playvideo\.bo\?(?P<query>.*)'
 
     _TESTS = [{
         'url': 'http://union.bokecc.com/playvideo.bo?vid=E44D40C15E65EA30&uid=CD0C5D3C8614B28B',
diff --git a/youtube_dl/extractor/bpb.py b/youtube_dl/extractor/bpb.py
index c28e72927..6ad45a1e6 100644
--- a/youtube_dl/extractor/bpb.py
+++ b/youtube_dl/extractor/bpb.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 class BpbIE(InfoExtractor):
     IE_DESC = 'Bundeszentrale für politische Bildung'
-    _VALID_URL = r'http://www\.bpb\.de/mediathek/(?P<id>[0-9]+)/'
+    _VALID_URL = r'https?://www\.bpb\.de/mediathek/(?P<id>[0-9]+)/'
 
     _TEST = {
         'url': 'http://www.bpb.de/mediathek/297/joachim-gauck-zu-1989-und-die-erinnerung-an-die-ddr',
diff --git a/youtube_dl/extractor/breakcom.py b/youtube_dl/extractor/breakcom.py
index aa08051b1..725859b4d 100644
--- a/youtube_dl/extractor/breakcom.py
+++ b/youtube_dl/extractor/breakcom.py
@@ -11,7 +11,7 @@ from ..utils import (
 
 
 class BreakIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?break\.com/video/(?:[^/]+/)*.+-(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?break\.com/video/(?:[^/]+/)*.+-(?P<id>\d+)'
     _TESTS = [{
         'url': 'http://www.break.com/video/when-girls-act-like-guys-2468056',
         'info_dict': {
diff --git a/youtube_dl/extractor/camdemy.py b/youtube_dl/extractor/camdemy.py
index 897f3a104..dd4d96cec 100644
--- a/youtube_dl/extractor/camdemy.py
+++ b/youtube_dl/extractor/camdemy.py
@@ -16,7 +16,7 @@ from ..utils import (
 
 
 class CamdemyIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?camdemy\.com/media/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?camdemy\.com/media/(?P<id>\d+)'
     _TESTS = [{
         # single file
         'url': 'http://www.camdemy.com/media/5181/',
@@ -104,7 +104,7 @@ class CamdemyIE(InfoExtractor):
 
 
 class CamdemyFolderIE(InfoExtractor):
-    _VALID_URL = r'http://www.camdemy.com/folder/(?P<id>\d+)'
+    _VALID_URL = r'https?://www.camdemy.com/folder/(?P<id>\d+)'
     _TESTS = [{
         # links with trailing slash
         'url': 'http://www.camdemy.com/folder/450',
diff --git a/youtube_dl/extractor/cbsnews.py b/youtube_dl/extractor/cbsnews.py
index 8ddcc5097..f23bac9a1 100644
--- a/youtube_dl/extractor/cbsnews.py
+++ b/youtube_dl/extractor/cbsnews.py
@@ -11,7 +11,7 @@ from ..utils import (
 
 class CBSNewsIE(ThePlatformIE):
     IE_DESC = 'CBS News'
-    _VALID_URL = r'http://(?:www\.)?cbsnews\.com/(?:news|videos)/(?P<id>[\da-z_-]+)'
+    _VALID_URL = r'https?://(?:www\.)?cbsnews\.com/(?:news|videos)/(?P<id>[\da-z_-]+)'
 
     _TESTS = [
         {
@@ -96,7 +96,7 @@ class CBSNewsIE(ThePlatformIE):
 
 class CBSNewsLiveVideoIE(InfoExtractor):
     IE_DESC = 'CBS News Live Videos'
-    _VALID_URL = r'http://(?:www\.)?cbsnews\.com/live/video/(?P<id>[\da-z_-]+)'
+    _VALID_URL = r'https?://(?:www\.)?cbsnews\.com/live/video/(?P<id>[\da-z_-]+)'
 
     _TEST = {
         'url': 'http://www.cbsnews.com/live/video/clinton-sanders-prepare-to-face-off-in-nh/',
diff --git a/youtube_dl/extractor/cbssports.py b/youtube_dl/extractor/cbssports.py
index ae47e74cc..549ae32f3 100644
--- a/youtube_dl/extractor/cbssports.py
+++ b/youtube_dl/extractor/cbssports.py
@@ -6,7 +6,7 @@ from .common import InfoExtractor
 
 
 class CBSSportsIE(InfoExtractor):
-    _VALID_URL = r'http://www\.cbssports\.com/video/player/(?P<section>[^/]+)/(?P<id>[^/]+)'
+    _VALID_URL = r'https?://www\.cbssports\.com/video/player/(?P<section>[^/]+)/(?P<id>[^/]+)'
 
     _TEST = {
         'url': 'http://www.cbssports.com/video/player/tennis/318462531970/0/us-open-flashbacks-1990s',
diff --git a/youtube_dl/extractor/cliphunter.py b/youtube_dl/extractor/cliphunter.py
index 2996b6b09..19f8b397e 100644
--- a/youtube_dl/extractor/cliphunter.py
+++ b/youtube_dl/extractor/cliphunter.py
@@ -19,7 +19,7 @@ def _decode(s):
 class CliphunterIE(InfoExtractor):
     IE_NAME = 'cliphunter'
 
-    _VALID_URL = r'''(?x)http://(?:www\.)?cliphunter\.com/w/
+    _VALID_URL = r'''(?x)https?://(?:www\.)?cliphunter\.com/w/
         (?P<id>[0-9]+)/
         (?P<seo>.+?)(?:$|[#\?])
     '''
diff --git a/youtube_dl/extractor/clipsyndicate.py b/youtube_dl/extractor/clipsyndicate.py
index 8306d6fb7..0b6ad895f 100644
--- a/youtube_dl/extractor/clipsyndicate.py
+++ b/youtube_dl/extractor/clipsyndicate.py
@@ -8,7 +8,7 @@ from ..utils import (
 
 
 class ClipsyndicateIE(InfoExtractor):
-    _VALID_URL = r'http://(?:chic|www)\.clipsyndicate\.com/video/play(list/\d+)?/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:chic|www)\.clipsyndicate\.com/video/play(list/\d+)?/(?P<id>\d+)'
 
     _TESTS = [{
         'url': 'http://www.clipsyndicate.com/video/play/4629301/brick_briscoe',
diff --git a/youtube_dl/extractor/clubic.py b/youtube_dl/extractor/clubic.py
index 1dfa7c12e..2fba93543 100644
--- a/youtube_dl/extractor/clubic.py
+++ b/youtube_dl/extractor/clubic.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class ClubicIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?clubic\.com/video/(?:[^/]+/)*video.*-(?P<id>[0-9]+)\.html'
+    _VALID_URL = r'https?://(?:www\.)?clubic\.com/video/(?:[^/]+/)*video.*-(?P<id>[0-9]+)\.html'
 
     _TESTS = [{
         'url': 'http://www.clubic.com/video/clubic-week/video-clubic-week-2-0-le-fbi-se-lance-dans-la-photo-d-identite-448474.html',
diff --git a/youtube_dl/extractor/comcarcoff.py b/youtube_dl/extractor/comcarcoff.py
index 7dff68492..e697d1410 100644
--- a/youtube_dl/extractor/comcarcoff.py
+++ b/youtube_dl/extractor/comcarcoff.py
@@ -11,7 +11,7 @@ from ..utils import (
 
 
 class ComCarCoffIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?comediansincarsgettingcoffee\.com/(?P<id>[a-z0-9\-]*)'
+    _VALID_URL = r'https?://(?:www\.)?comediansincarsgettingcoffee\.com/(?P<id>[a-z0-9\-]*)'
     _TESTS = [{
         'url': 'http://comediansincarsgettingcoffee.com/miranda-sings-happy-thanksgiving-miranda/',
         'info_dict': {
diff --git a/youtube_dl/extractor/condenast.py b/youtube_dl/extractor/condenast.py
index 6f92ae2ed..054978ff2 100644
--- a/youtube_dl/extractor/condenast.py
+++ b/youtube_dl/extractor/condenast.py
@@ -45,7 +45,7 @@ class CondeNastIE(InfoExtractor):
         'wmagazine': 'W Magazine',
     }
 
-    _VALID_URL = r'http://(?:video|www|player)\.(?P<site>%s)\.com/(?P<type>watch|series|video|embed(?:js)?)/(?P<id>[^/?#]+)' % '|'.join(_SITES.keys())
+    _VALID_URL = r'https?://(?:video|www|player)\.(?P<site>%s)\.com/(?P<type>watch|series|video|embed(?:js)?)/(?P<id>[^/?#]+)' % '|'.join(_SITES.keys())
     IE_DESC = 'Condé Nast media group: %s' % ', '.join(sorted(_SITES.values()))
 
     EMBED_URL = r'(?:https?:)?//player\.(?P<site>%s)\.com/(?P<type>embed(?:js)?)/.+?' % '|'.join(_SITES.keys())
diff --git a/youtube_dl/extractor/cspan.py b/youtube_dl/extractor/cspan.py
index b8b9d058d..84b36f44c 100644
--- a/youtube_dl/extractor/cspan.py
+++ b/youtube_dl/extractor/cspan.py
@@ -15,7 +15,7 @@ from .senateisvp import SenateISVPIE
 
 
 class CSpanIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?c-span\.org/video/\?(?P<id>[0-9a-f]+)'
+    _VALID_URL = r'https?://(?:www\.)?c-span\.org/video/\?(?P<id>[0-9a-f]+)'
     IE_DESC = 'C-SPAN'
     _TESTS = [{
         'url': 'http://www.c-span.org/video/?313572-1/HolderonV',
diff --git a/youtube_dl/extractor/ctsnews.py b/youtube_dl/extractor/ctsnews.py
index 45049bf37..1622fc844 100644
--- a/youtube_dl/extractor/ctsnews.py
+++ b/youtube_dl/extractor/ctsnews.py
@@ -8,7 +8,7 @@ from ..utils import parse_iso8601, ExtractorError
 class CtsNewsIE(InfoExtractor):
     IE_DESC = '華視新聞'
     # https connection failed (Connection reset)
-    _VALID_URL = r'http://news\.cts\.com\.tw/[a-z]+/[a-z]+/\d+/(?P<id>\d+)\.html'
+    _VALID_URL = r'https?://news\.cts\.com\.tw/[a-z]+/[a-z]+/\d+/(?P<id>\d+)\.html'
     _TESTS = [{
         'url': 'http://news.cts.com.tw/cts/international/201501/201501291578109.html',
         'md5': 'a9875cb790252b08431186d741beaabe',
diff --git a/youtube_dl/extractor/dctp.py b/youtube_dl/extractor/dctp.py
index aa2c09eb6..9099f5046 100644
--- a/youtube_dl/extractor/dctp.py
+++ b/youtube_dl/extractor/dctp.py
@@ -6,7 +6,7 @@ from ..compat import compat_str
 
 
 class DctpTvIE(InfoExtractor):
-    _VALID_URL = r'http://www.dctp.tv/(#/)?filme/(?P<id>.+?)/$'
+    _VALID_URL = r'https?://www.dctp.tv/(#/)?filme/(?P<id>.+?)/$'
     _TEST = {
         'url': 'http://www.dctp.tv/filme/videoinstallation-fuer-eine-kaufhausfassade/',
         'info_dict': {
diff --git a/youtube_dl/extractor/defense.py b/youtube_dl/extractor/defense.py
index 98e3aedfd..9fe144e14 100644
--- a/youtube_dl/extractor/defense.py
+++ b/youtube_dl/extractor/defense.py
@@ -5,7 +5,7 @@ from .common import InfoExtractor
 
 class DefenseGouvFrIE(InfoExtractor):
     IE_NAME = 'defense.gouv.fr'
-    _VALID_URL = r'http://.*?\.defense\.gouv\.fr/layout/set/ligthboxvideo/base-de-medias/webtv/(?P<id>[^/?#]*)'
+    _VALID_URL = r'https?://.*?\.defense\.gouv\.fr/layout/set/ligthboxvideo/base-de-medias/webtv/(?P<id>[^/?#]*)'
 
     _TEST = {
         'url': 'http://www.defense.gouv.fr/layout/set/ligthboxvideo/base-de-medias/webtv/attaque-chimique-syrienne-du-21-aout-2013-1',
diff --git a/youtube_dl/extractor/douyutv.py b/youtube_dl/extractor/douyutv.py
index bdc768c78..bcb670945 100644
--- a/youtube_dl/extractor/douyutv.py
+++ b/youtube_dl/extractor/douyutv.py
@@ -10,7 +10,7 @@ from ..compat import (compat_str, compat_basestring)
 
 class DouyuTVIE(InfoExtractor):
     IE_DESC = '斗鱼'
-    _VALID_URL = r'http://(?:www\.)?douyutv\.com/(?P<id>[A-Za-z0-9]+)'
+    _VALID_URL = r'https?://(?:www\.)?douyutv\.com/(?P<id>[A-Za-z0-9]+)'
     _TESTS = [{
         'url': 'http://www.douyutv.com/iseven',
         'info_dict': {
diff --git a/youtube_dl/extractor/dplay.py b/youtube_dl/extractor/dplay.py
index a638c827c..1e7dcada6 100644
--- a/youtube_dl/extractor/dplay.py
+++ b/youtube_dl/extractor/dplay.py
@@ -10,7 +10,7 @@ from ..utils import int_or_none
 
 
 class DPlayIE(InfoExtractor):
-    _VALID_URL = r'http://(?P<domain>it\.dplay\.com|www\.dplay\.(?:dk|se|no))/[^/]+/(?P<id>[^/?#]+)'
+    _VALID_URL = r'https?://(?P<domain>it\.dplay\.com|www\.dplay\.(?:dk|se|no))/[^/]+/(?P<id>[^/?#]+)'
 
     _TESTS = [{
         'url': 'http://it.dplay.com/take-me-out/stagione-1-episodio-25/',
diff --git a/youtube_dl/extractor/dreisat.py b/youtube_dl/extractor/dreisat.py
index 028144f20..0040e70d4 100644
--- a/youtube_dl/extractor/dreisat.py
+++ b/youtube_dl/extractor/dreisat.py
@@ -7,7 +7,7 @@ from .zdf import ZDFIE
 
 class DreiSatIE(ZDFIE):
     IE_NAME = '3sat'
-    _VALID_URL = r'(?:http://)?(?:www\.)?3sat\.de/mediathek/(?:index\.php|mediathek\.php)?\?(?:(?:mode|display)=[^&]+&)*obj=(?P<id>[0-9]+)$'
+    _VALID_URL = r'(?:https?://)?(?:www\.)?3sat\.de/mediathek/(?:index\.php|mediathek\.php)?\?(?:(?:mode|display)=[^&]+&)*obj=(?P<id>[0-9]+)$'
     _TESTS = [
         {
             'url': 'http://www.3sat.de/mediathek/index.php?mode=play&obj=45918',
diff --git a/youtube_dl/extractor/dvtv.py b/youtube_dl/extractor/dvtv.py
index c1a4bc757..974c69dbc 100644
--- a/youtube_dl/extractor/dvtv.py
+++ b/youtube_dl/extractor/dvtv.py
@@ -15,7 +15,7 @@ class DVTVIE(InfoExtractor):
     IE_NAME = 'dvtv'
     IE_DESC = 'http://video.aktualne.cz/'
 
-    _VALID_URL = r'http://video\.aktualne\.cz/(?:[^/]+/)+r~(?P<id>[0-9a-f]{32})'
+    _VALID_URL = r'https?://video\.aktualne\.cz/(?:[^/]+/)+r~(?P<id>[0-9a-f]{32})'
 
     _TESTS = [{
         'url': 'http://video.aktualne.cz/dvtv/vondra-o-ceskem-stoleti-pri-pohledu-na-havla-mi-bylo-trapne/r~e5efe9ca855511e4833a0025900fea04/',
diff --git a/youtube_dl/extractor/echomsk.py b/youtube_dl/extractor/echomsk.py
index d2d94049d..6b7cc652f 100644
--- a/youtube_dl/extractor/echomsk.py
+++ b/youtube_dl/extractor/echomsk.py
@@ -7,7 +7,7 @@ from .common import InfoExtractor
 
 
 class EchoMskIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?echo\.msk\.ru/sounds/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?echo\.msk\.ru/sounds/(?P<id>\d+)'
     _TEST = {
         'url': 'http://www.echo.msk.ru/sounds/1464134.html',
         'md5': '2e44b3b78daff5b458e4dbc37f191f7c',
diff --git a/youtube_dl/extractor/exfm.py b/youtube_dl/extractor/exfm.py
index 0c0fe6d65..09ed4f2b5 100644
--- a/youtube_dl/extractor/exfm.py
+++ b/youtube_dl/extractor/exfm.py
@@ -8,7 +8,7 @@ from .common import InfoExtractor
 class ExfmIE(InfoExtractor):
     IE_NAME = 'exfm'
     IE_DESC = 'ex.fm'
-    _VALID_URL = r'http://(?:www\.)?ex\.fm/song/(?P<id>[^/]+)'
+    _VALID_URL = r'https?://(?:www\.)?ex\.fm/song/(?P<id>[^/]+)'
     _SOUNDCLOUD_URL = r'http://(?:www\.)?api\.soundcloud\.com/tracks/([^/]+)/stream'
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/fc2.py b/youtube_dl/extractor/fc2.py
index 9580f5c0c..508684d2e 100644
--- a/youtube_dl/extractor/fc2.py
+++ b/youtube_dl/extractor/fc2.py
@@ -17,7 +17,7 @@ from ..utils import (
 
 
 class FC2IE(InfoExtractor):
-    _VALID_URL = r'^http://video\.fc2\.com/(?:[^/]+/)*content/(?P<id>[^/]+)'
+    _VALID_URL = r'^https?://video\.fc2\.com/(?:[^/]+/)*content/(?P<id>[^/]+)'
     IE_NAME = 'fc2'
     _NETRC_MACHINE = 'fc2'
     _TESTS = [{
diff --git a/youtube_dl/extractor/firstpost.py b/youtube_dl/extractor/firstpost.py
index 298227d57..e8936cb24 100644
--- a/youtube_dl/extractor/firstpost.py
+++ b/youtube_dl/extractor/firstpost.py
@@ -4,7 +4,7 @@ from .common import InfoExtractor
 
 
 class FirstpostIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?firstpost\.com/[^/]+/.*-(?P<id>[0-9]+)\.html'
+    _VALID_URL = r'https?://(?:www\.)?firstpost\.com/[^/]+/.*-(?P<id>[0-9]+)\.html'
 
     _TEST = {
         'url': 'http://www.firstpost.com/india/india-to-launch-indigenous-aircraft-carrier-monday-1025403.html',
diff --git a/youtube_dl/extractor/firsttv.py b/youtube_dl/extractor/firsttv.py
index 510d4b108..98b165143 100644
--- a/youtube_dl/extractor/firsttv.py
+++ b/youtube_dl/extractor/firsttv.py
@@ -8,7 +8,7 @@ from ..utils import int_or_none
 class FirstTVIE(InfoExtractor):
     IE_NAME = '1tv'
     IE_DESC = 'Первый канал'
-    _VALID_URL = r'http://(?:www\.)?1tv\.ru/(?:[^/]+/)+(?P<id>.+)'
+    _VALID_URL = r'https?://(?:www\.)?1tv\.ru/(?:[^/]+/)+(?P<id>.+)'
 
     _TESTS = [{
         'url': 'http://www.1tv.ru/videoarchive/73390',
diff --git a/youtube_dl/extractor/fktv.py b/youtube_dl/extractor/fktv.py
index 5f6e65dae..a3a291599 100644
--- a/youtube_dl/extractor/fktv.py
+++ b/youtube_dl/extractor/fktv.py
@@ -10,7 +10,7 @@ from ..utils import (
 
 class FKTVIE(InfoExtractor):
     IE_NAME = 'fernsehkritik.tv'
-    _VALID_URL = r'http://(?:www\.)?fernsehkritik\.tv/folge-(?P<id>[0-9]+)(?:/.*)?'
+    _VALID_URL = r'https?://(?:www\.)?fernsehkritik\.tv/folge-(?P<id>[0-9]+)(?:/.*)?'
 
     _TEST = {
         'url': 'http://fernsehkritik.tv/folge-1',
diff --git a/youtube_dl/extractor/footyroom.py b/youtube_dl/extractor/footyroom.py
index 370fd006f..d2503ae2e 100644
--- a/youtube_dl/extractor/footyroom.py
+++ b/youtube_dl/extractor/footyroom.py
@@ -5,7 +5,7 @@ from .common import InfoExtractor
 
 
 class FootyRoomIE(InfoExtractor):
-    _VALID_URL = r'http://footyroom\.com/(?P<id>[^/]+)'
+    _VALID_URL = r'https?://footyroom\.com/(?P<id>[^/]+)'
     _TESTS = [{
         'url': 'http://footyroom.com/schalke-04-0-2-real-madrid-2015-02/',
         'info_dict': {
diff --git a/youtube_dl/extractor/foxgay.py b/youtube_dl/extractor/foxgay.py
index 08b8ea362..70c1a815d 100644
--- a/youtube_dl/extractor/foxgay.py
+++ b/youtube_dl/extractor/foxgay.py
@@ -4,7 +4,7 @@ from .common import InfoExtractor
 
 
 class FoxgayIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?foxgay\.com/videos/(?:\S+-)?(?P<id>\d+)\.shtml'
+    _VALID_URL = r'https?://(?:www\.)?foxgay\.com/videos/(?:\S+-)?(?P<id>\d+)\.shtml'
     _TEST = {
         'url': 'http://foxgay.com/videos/fuck-turkish-style-2582.shtml',
         'md5': '80d72beab5d04e1655a56ad37afe6841',
diff --git a/youtube_dl/extractor/franceinter.py b/youtube_dl/extractor/franceinter.py
index 0388ba00c..2369f868d 100644
--- a/youtube_dl/extractor/franceinter.py
+++ b/youtube_dl/extractor/franceinter.py
@@ -6,7 +6,7 @@ from ..utils import int_or_none
 
 
 class FranceInterIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?franceinter\.fr/player/reecouter\?play=(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://(?:www\.)?franceinter\.fr/player/reecouter\?play=(?P<id>[0-9]+)'
     _TEST = {
         'url': 'http://www.franceinter.fr/player/reecouter?play=793962',
         'md5': '4764932e466e6f6c79c317d2e74f6884',
diff --git a/youtube_dl/extractor/freevideo.py b/youtube_dl/extractor/freevideo.py
index c7bec027b..cd8423a6f 100644
--- a/youtube_dl/extractor/freevideo.py
+++ b/youtube_dl/extractor/freevideo.py
@@ -5,7 +5,7 @@ from ..utils import ExtractorError
 
 
 class FreeVideoIE(InfoExtractor):
-    _VALID_URL = r'^http://www.freevideo.cz/vase-videa/(?P<id>[^.]+)\.html(?:$|[?#])'
+    _VALID_URL = r'^https?://www.freevideo.cz/vase-videa/(?P<id>[^.]+)\.html(?:$|[?#])'
 
     _TEST = {
         'url': 'http://www.freevideo.cz/vase-videa/vysukany-zadecek-22033.html',
diff --git a/youtube_dl/extractor/gamekings.py b/youtube_dl/extractor/gamekings.py
index f6b9046f9..cbcddcb7c 100644
--- a/youtube_dl/extractor/gamekings.py
+++ b/youtube_dl/extractor/gamekings.py
@@ -10,7 +10,7 @@ from .youtube import YoutubeIE
 
 
 class GamekingsIE(InfoExtractor):
-    _VALID_URL = r'http://www\.gamekings\.nl/(?:videos|nieuws)/(?P<id>[^/]+)'
+    _VALID_URL = r'https?://www\.gamekings\.nl/(?:videos|nieuws)/(?P<id>[^/]+)'
     _TESTS = [{
         # YouTube embed video
         'url': 'http://www.gamekings.nl/videos/phoenix-wright-ace-attorney-dual-destinies-review/',
diff --git a/youtube_dl/extractor/gamespot.py b/youtube_dl/extractor/gamespot.py
index b3f1bafcc..4ffdd7515 100644
--- a/youtube_dl/extractor/gamespot.py
+++ b/youtube_dl/extractor/gamespot.py
@@ -14,7 +14,7 @@ from ..utils import (
 
 
 class GameSpotIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?gamespot\.com/.*-(?P<id>\d+)/?'
+    _VALID_URL = r'https?://(?:www\.)?gamespot\.com/.*-(?P<id>\d+)/?'
     _TESTS = [{
         'url': 'http://www.gamespot.com/videos/arma-3-community-guide-sitrep-i/2300-6410818/',
         'md5': 'b2a30deaa8654fcccd43713a6b6a4825',
diff --git a/youtube_dl/extractor/gamestar.py b/youtube_dl/extractor/gamestar.py
index 590ccf526..69058a583 100644
--- a/youtube_dl/extractor/gamestar.py
+++ b/youtube_dl/extractor/gamestar.py
@@ -13,7 +13,7 @@ from ..utils import (
 
 
 class GameStarIE(InfoExtractor):
-    _VALID_URL = r'http://www\.gamestar\.de/videos/.*,(?P<id>[0-9]+)\.html'
+    _VALID_URL = r'https?://www\.gamestar\.de/videos/.*,(?P<id>[0-9]+)\.html'
     _TEST = {
         'url': 'http://www.gamestar.de/videos/trailer,3/hobbit-3-die-schlacht-der-fuenf-heere,76110.html',
         'md5': '96974ecbb7fd8d0d20fca5a00810cea7',
diff --git a/youtube_dl/extractor/gametrailers.py b/youtube_dl/extractor/gametrailers.py
index c3f031d9c..1e7948ab8 100644
--- a/youtube_dl/extractor/gametrailers.py
+++ b/youtube_dl/extractor/gametrailers.py
@@ -9,7 +9,7 @@ from ..utils import (
 
 
 class GametrailersIE(InfoExtractor):
-    _VALID_URL = r'http://www\.gametrailers\.com/videos/view/[^/]+/(?P<id>.+)'
+    _VALID_URL = r'https?://www\.gametrailers\.com/videos/view/[^/]+/(?P<id>.+)'
 
     _TEST = {
         'url': 'http://www.gametrailers.com/videos/view/gametrailers-com/116437-Just-Cause-3-Review',
diff --git a/youtube_dl/extractor/hotnewhiphop.py b/youtube_dl/extractor/hotnewhiphop.py
index 31e219945..efc3e8429 100644
--- a/youtube_dl/extractor/hotnewhiphop.py
+++ b/youtube_dl/extractor/hotnewhiphop.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class HotNewHipHopIE(InfoExtractor):
-    _VALID_URL = r'http://www\.hotnewhiphop\.com/.*\.(?P<id>.*)\.html'
+    _VALID_URL = r'https?://www\.hotnewhiphop\.com/.*\.(?P<id>.*)\.html'
     _TEST = {
         'url': 'http://www.hotnewhiphop.com/freddie-gibbs-lay-it-down-song.1435540.html',
         'md5': '2c2cd2f76ef11a9b3b581e8b232f3d96',
diff --git a/youtube_dl/extractor/hypem.py b/youtube_dl/extractor/hypem.py
index b3706fe6d..e0ab31802 100644
--- a/youtube_dl/extractor/hypem.py
+++ b/youtube_dl/extractor/hypem.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class HypemIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?hypem\.com/track/(?P<id>[^/]+)/'
+    _VALID_URL = r'https?://(?:www\.)?hypem\.com/track/(?P<id>[^/]+)/'
     _TEST = {
         'url': 'http://hypem.com/track/1v6ga/BODYWORK+-+TAME',
         'md5': 'b9cc91b5af8995e9f0c1cee04c575828',
diff --git a/youtube_dl/extractor/imdb.py b/youtube_dl/extractor/imdb.py
index b61b2dc4e..8bed8ccd0 100644
--- a/youtube_dl/extractor/imdb.py
+++ b/youtube_dl/extractor/imdb.py
@@ -12,7 +12,7 @@ from ..utils import (
 class ImdbIE(InfoExtractor):
     IE_NAME = 'imdb'
     IE_DESC = 'Internet Movie Database trailers'
-    _VALID_URL = r'http://(?:www|m)\.imdb\.com/video/imdb/vi(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www|m)\.imdb\.com/video/imdb/vi(?P<id>\d+)'
 
     _TEST = {
         'url': 'http://www.imdb.com/video/imdb/vi2524815897',
@@ -70,7 +70,7 @@ class ImdbIE(InfoExtractor):
 class ImdbListIE(InfoExtractor):
     IE_NAME = 'imdb:list'
     IE_DESC = 'Internet Movie Database lists'
-    _VALID_URL = r'http://www\.imdb\.com/list/(?P<id>[\da-zA-Z_-]{11})'
+    _VALID_URL = r'https?://www\.imdb\.com/list/(?P<id>[\da-zA-Z_-]{11})'
     _TEST = {
         'url': 'http://www.imdb.com/list/JFs9NWw6XI0',
         'info_dict': {
diff --git a/youtube_dl/extractor/iqiyi.py b/youtube_dl/extractor/iqiyi.py
index e7c0cb3f6..1a4c64713 100644
--- a/youtube_dl/extractor/iqiyi.py
+++ b/youtube_dl/extractor/iqiyi.py
@@ -165,7 +165,7 @@ class IqiyiIE(InfoExtractor):
     IE_NAME = 'iqiyi'
     IE_DESC = '爱奇艺'
 
-    _VALID_URL = r'http://(?:[^.]+\.)?iqiyi\.com/.+\.html'
+    _VALID_URL = r'https?://(?:[^.]+\.)?iqiyi\.com/.+\.html'
 
     _NETRC_MACHINE = 'iqiyi'
 
diff --git a/youtube_dl/extractor/jadorecettepub.py b/youtube_dl/extractor/jadorecettepub.py
index 063e86de4..158c09a33 100644
--- a/youtube_dl/extractor/jadorecettepub.py
+++ b/youtube_dl/extractor/jadorecettepub.py
@@ -9,7 +9,7 @@ from .youtube import YoutubeIE
 
 
 class JadoreCettePubIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?jadorecettepub\.com/[0-9]{4}/[0-9]{2}/(?P<id>.*?)\.html'
+    _VALID_URL = r'https?://(?:www\.)?jadorecettepub\.com/[0-9]{4}/[0-9]{2}/(?P<id>.*?)\.html'
 
     _TEST = {
         'url': 'http://www.jadorecettepub.com/2010/12/star-wars-massacre-par-les-japonais.html',
diff --git a/youtube_dl/extractor/jeuxvideo.py b/youtube_dl/extractor/jeuxvideo.py
index 137db873c..1a4227f6b 100644
--- a/youtube_dl/extractor/jeuxvideo.py
+++ b/youtube_dl/extractor/jeuxvideo.py
@@ -8,7 +8,7 @@ from .common import InfoExtractor
 
 
 class JeuxVideoIE(InfoExtractor):
-    _VALID_URL = r'http://.*?\.jeuxvideo\.com/.*/(.*?)\.htm'
+    _VALID_URL = r'https?://.*?\.jeuxvideo\.com/.*/(.*?)\.htm'
 
     _TESTS = [{
         'url': 'http://www.jeuxvideo.com/reportages-videos-jeux/0004/00046170/tearaway-playstation-vita-gc-2013-tearaway-nous-presente-ses-papiers-d-identite-00115182.htm',
diff --git a/youtube_dl/extractor/karaoketv.py b/youtube_dl/extractor/karaoketv.py
index 06daf5a89..b4c30b7f3 100644
--- a/youtube_dl/extractor/karaoketv.py
+++ b/youtube_dl/extractor/karaoketv.py
@@ -9,7 +9,7 @@ from ..utils import (
 
 
 class KaraoketvIE(InfoExtractor):
-    _VALID_URL = r'http://karaoketv\.co\.il/\?container=songs&id=(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://karaoketv\.co\.il/\?container=songs&id=(?P<id>[0-9]+)'
     _TEST = {
         'url': 'http://karaoketv.co.il/?container=songs&id=171568',
         'info_dict': {
diff --git a/youtube_dl/extractor/karrierevideos.py b/youtube_dl/extractor/karrierevideos.py
index bed94bc93..2cb04e533 100644
--- a/youtube_dl/extractor/karrierevideos.py
+++ b/youtube_dl/extractor/karrierevideos.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class KarriereVideosIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?karrierevideos\.at(?:/[^/]+)+/(?P<id>[^/]+)'
+    _VALID_URL = r'https?://(?:www\.)?karrierevideos\.at(?:/[^/]+)+/(?P<id>[^/]+)'
     _TESTS = [{
         'url': 'http://www.karrierevideos.at/berufsvideos/mittlere-hoehere-schulen/altenpflegerin',
         'info_dict': {
diff --git a/youtube_dl/extractor/kontrtube.py b/youtube_dl/extractor/kontrtube.py
index a59c529f4..704bd7b34 100644
--- a/youtube_dl/extractor/kontrtube.py
+++ b/youtube_dl/extractor/kontrtube.py
@@ -13,7 +13,7 @@ from ..utils import (
 class KontrTubeIE(InfoExtractor):
     IE_NAME = 'kontrtube'
     IE_DESC = 'KontrTube.ru - Труба зовёт'
-    _VALID_URL = r'http://(?:www\.)?kontrtube\.ru/videos/(?P<id>\d+)/(?P<display_id>[^/]+)/'
+    _VALID_URL = r'https?://(?:www\.)?kontrtube\.ru/videos/(?P<id>\d+)/(?P<display_id>[^/]+)/'
 
     _TEST = {
         'url': 'http://www.kontrtube.ru/videos/2678/nad-olimpiyskoy-derevney-v-sochi-podnyat-rossiyskiy-flag/',
diff --git a/youtube_dl/extractor/ku6.py b/youtube_dl/extractor/ku6.py
index a602980a1..a574408e5 100644
--- a/youtube_dl/extractor/ku6.py
+++ b/youtube_dl/extractor/ku6.py
@@ -4,7 +4,7 @@ from .common import InfoExtractor
 
 
 class Ku6IE(InfoExtractor):
-    _VALID_URL = r'http://v\.ku6\.com/show/(?P<id>[a-zA-Z0-9\-\_]+)(?:\.)*html'
+    _VALID_URL = r'https?://v\.ku6\.com/show/(?P<id>[a-zA-Z0-9\-\_]+)(?:\.)*html'
     _TEST = {
         'url': 'http://v.ku6.com/show/JG-8yS14xzBr4bCn1pu0xw...html',
         'md5': '01203549b9efbb45f4b87d55bdea1ed1',
diff --git a/youtube_dl/extractor/kusi.py b/youtube_dl/extractor/kusi.py
index 931f34c9b..12cc56e44 100644
--- a/youtube_dl/extractor/kusi.py
+++ b/youtube_dl/extractor/kusi.py
@@ -16,7 +16,7 @@ from ..utils import (
 
 
 class KUSIIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?kusi\.com/(?P<path>story/.+|video\?clipId=(?P<clipId>\d+))'
+    _VALID_URL = r'https?://(?:www\.)?kusi\.com/(?P<path>story/.+|video\?clipId=(?P<clipId>\d+))'
     _TESTS = [{
         'url': 'http://www.kusi.com/story/31183873/turko-files-case-closed-put-on-hold',
         'md5': 'f926e7684294cf8cb7bdf8858e1b3988',
diff --git a/youtube_dl/extractor/kuwo.py b/youtube_dl/extractor/kuwo.py
index 45d65e61f..a586308b2 100644
--- a/youtube_dl/extractor/kuwo.py
+++ b/youtube_dl/extractor/kuwo.py
@@ -55,7 +55,7 @@ class KuwoBaseIE(InfoExtractor):
 class KuwoIE(KuwoBaseIE):
     IE_NAME = 'kuwo:song'
     IE_DESC = '酷我音乐'
-    _VALID_URL = r'http://www\.kuwo\.cn/yinyue/(?P<id>\d+?)'
+    _VALID_URL = r'https?://www\.kuwo\.cn/yinyue/(?P<id>\d+?)'
     _TESTS = [{
         'url': 'http://www.kuwo.cn/yinyue/635632/',
         'info_dict': {
@@ -134,7 +134,7 @@ class KuwoIE(KuwoBaseIE):
 class KuwoAlbumIE(InfoExtractor):
     IE_NAME = 'kuwo:album'
     IE_DESC = '酷我音乐 - 专辑'
-    _VALID_URL = r'http://www\.kuwo\.cn/album/(?P<id>\d+?)/'
+    _VALID_URL = r'https?://www\.kuwo\.cn/album/(?P<id>\d+?)/'
     _TEST = {
         'url': 'http://www.kuwo.cn/album/502294/',
         'info_dict': {
@@ -170,7 +170,7 @@ class KuwoAlbumIE(InfoExtractor):
 class KuwoChartIE(InfoExtractor):
     IE_NAME = 'kuwo:chart'
     IE_DESC = '酷我音乐 - 排行榜'
-    _VALID_URL = r'http://yinyue\.kuwo\.cn/billboard_(?P<id>[^.]+).htm'
+    _VALID_URL = r'https?://yinyue\.kuwo\.cn/billboard_(?P<id>[^.]+).htm'
     _TEST = {
         'url': 'http://yinyue.kuwo.cn/billboard_香港中文龙虎榜.htm',
         'info_dict': {
@@ -195,7 +195,7 @@ class KuwoChartIE(InfoExtractor):
 class KuwoSingerIE(InfoExtractor):
     IE_NAME = 'kuwo:singer'
     IE_DESC = '酷我音乐 - 歌手'
-    _VALID_URL = r'http://www\.kuwo\.cn/mingxing/(?P<id>[^/]+)'
+    _VALID_URL = r'https?://www\.kuwo\.cn/mingxing/(?P<id>[^/]+)'
     _TESTS = [{
         'url': 'http://www.kuwo.cn/mingxing/bruno+mars/',
         'info_dict': {
@@ -251,7 +251,7 @@ class KuwoSingerIE(InfoExtractor):
 class KuwoCategoryIE(InfoExtractor):
     IE_NAME = 'kuwo:category'
     IE_DESC = '酷我音乐 - 分类'
-    _VALID_URL = r'http://yinyue\.kuwo\.cn/yy/cinfo_(?P<id>\d+?).htm'
+    _VALID_URL = r'https?://yinyue\.kuwo\.cn/yy/cinfo_(?P<id>\d+?).htm'
     _TEST = {
         'url': 'http://yinyue.kuwo.cn/yy/cinfo_86375.htm',
         'info_dict': {
@@ -288,7 +288,7 @@ class KuwoCategoryIE(InfoExtractor):
 class KuwoMvIE(KuwoBaseIE):
     IE_NAME = 'kuwo:mv'
     IE_DESC = '酷我音乐 - MV'
-    _VALID_URL = r'http://www\.kuwo\.cn/mv/(?P<id>\d+?)/'
+    _VALID_URL = r'https?://www\.kuwo\.cn/mv/(?P<id>\d+?)/'
     _TEST = {
         'url': 'http://www.kuwo.cn/mv/6480076/',
         'info_dict': {
diff --git a/youtube_dl/extractor/leeco.py b/youtube_dl/extractor/leeco.py
index df47e88ba..462b752dd 100644
--- a/youtube_dl/extractor/leeco.py
+++ b/youtube_dl/extractor/leeco.py
@@ -28,7 +28,7 @@ from ..utils import (
 
 class LeIE(InfoExtractor):
     IE_DESC = '乐视网'
-    _VALID_URL = r'http://www\.le\.com/ptv/vplay/(?P<id>\d+)\.html'
+    _VALID_URL = r'https?://www\.le\.com/ptv/vplay/(?P<id>\d+)\.html'
 
     _URL_TEMPLATE = 'http://www.le.com/ptv/vplay/%s.html'
 
@@ -196,7 +196,7 @@ class LeIE(InfoExtractor):
 
 
 class LePlaylistIE(InfoExtractor):
-    _VALID_URL = r'http://[a-z]+\.le\.com/[a-z]+/(?P<id>[a-z0-9_]+)'
+    _VALID_URL = r'https?://[a-z]+\.le\.com/[a-z]+/(?P<id>[a-z0-9_]+)'
 
     _TESTS = [{
         'url': 'http://www.le.com/tv/46177.html',
diff --git a/youtube_dl/extractor/lifenews.py b/youtube_dl/extractor/lifenews.py
index a8fd639cc..ba2f80a75 100644
--- a/youtube_dl/extractor/lifenews.py
+++ b/youtube_dl/extractor/lifenews.py
@@ -17,7 +17,7 @@ from ..utils import (
 class LifeNewsIE(InfoExtractor):
     IE_NAME = 'lifenews'
     IE_DESC = 'LIFE | NEWS'
-    _VALID_URL = r'http://lifenews\.ru/(?:mobile/)?(?P<section>news|video)/(?P<id>\d+)'
+    _VALID_URL = r'https?://lifenews\.ru/(?:mobile/)?(?P<section>news|video)/(?P<id>\d+)'
 
     _TESTS = [{
         # single video embedded via video/source
@@ -159,7 +159,7 @@ class LifeNewsIE(InfoExtractor):
 
 class LifeEmbedIE(InfoExtractor):
     IE_NAME = 'life:embed'
-    _VALID_URL = r'http://embed\.life\.ru/embed/(?P<id>[\da-f]{32})'
+    _VALID_URL = r'https?://embed\.life\.ru/embed/(?P<id>[\da-f]{32})'
 
     _TEST = {
         'url': 'http://embed.life.ru/embed/e50c2dec2867350528e2574c899b8291',
diff --git a/youtube_dl/extractor/limelight.py b/youtube_dl/extractor/limelight.py
index 1a0625ac3..2599d45c3 100644
--- a/youtube_dl/extractor/limelight.py
+++ b/youtube_dl/extractor/limelight.py
@@ -123,7 +123,7 @@ class LimelightBaseIE(InfoExtractor):
 
 class LimelightMediaIE(LimelightBaseIE):
     IE_NAME = 'limelight'
-    _VALID_URL = r'(?:limelight:media:|http://link\.videoplatform\.limelight\.com/media/\??\bmediaId=)(?P<id>[a-z0-9]{32})'
+    _VALID_URL = r'(?:limelight:media:|https?://link\.videoplatform\.limelight\.com/media/\??\bmediaId=)(?P<id>[a-z0-9]{32})'
     _TESTS = [{
         'url': 'http://link.videoplatform.limelight.com/media/?mediaId=3ffd040b522b4485b6d84effc750cd86',
         'info_dict': {
@@ -176,7 +176,7 @@ class LimelightMediaIE(LimelightBaseIE):
 
 class LimelightChannelIE(LimelightBaseIE):
     IE_NAME = 'limelight:channel'
-    _VALID_URL = r'(?:limelight:channel:|http://link\.videoplatform\.limelight\.com/media/\??\bchannelId=)(?P<id>[a-z0-9]{32})'
+    _VALID_URL = r'(?:limelight:channel:|https?://link\.videoplatform\.limelight\.com/media/\??\bchannelId=)(?P<id>[a-z0-9]{32})'
     _TEST = {
         'url': 'http://link.videoplatform.limelight.com/media/?channelId=ab6a524c379342f9b23642917020c082',
         'info_dict': {
@@ -207,7 +207,7 @@ class LimelightChannelIE(LimelightBaseIE):
 
 class LimelightChannelListIE(LimelightBaseIE):
     IE_NAME = 'limelight:channel_list'
-    _VALID_URL = r'(?:limelight:channel_list:|http://link\.videoplatform\.limelight\.com/media/\?.*?\bchannelListId=)(?P<id>[a-z0-9]{32})'
+    _VALID_URL = r'(?:limelight:channel_list:|https?://link\.videoplatform\.limelight\.com/media/\?.*?\bchannelListId=)(?P<id>[a-z0-9]{32})'
     _TEST = {
         'url': 'http://link.videoplatform.limelight.com/media/?channelListId=301b117890c4465c8179ede21fd92e2b',
         'info_dict': {
diff --git a/youtube_dl/extractor/m6.py b/youtube_dl/extractor/m6.py
index 7e025831b..d5945ad66 100644
--- a/youtube_dl/extractor/m6.py
+++ b/youtube_dl/extractor/m6.py
@@ -8,7 +8,7 @@ from .common import InfoExtractor
 
 class M6IE(InfoExtractor):
     IE_NAME = 'm6'
-    _VALID_URL = r'http://(?:www\.)?m6\.fr/[^/]+/videos/(?P<id>\d+)-[^\.]+\.html'
+    _VALID_URL = r'https?://(?:www\.)?m6\.fr/[^/]+/videos/(?P<id>\d+)-[^\.]+\.html'
 
     _TEST = {
         'url': 'http://www.m6.fr/emission-les_reines_du_shopping/videos/11323908-emeline_est_la_reine_du_shopping_sur_le_theme_ma_fete_d_8217_anniversaire.html',
diff --git a/youtube_dl/extractor/metacafe.py b/youtube_dl/extractor/metacafe.py
index 67d6271e1..c31e8798a 100644
--- a/youtube_dl/extractor/metacafe.py
+++ b/youtube_dl/extractor/metacafe.py
@@ -17,7 +17,7 @@ from ..utils import (
 
 
 class MetacafeIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?metacafe\.com/watch/([^/]+)/([^/]+)/.*'
+    _VALID_URL = r'https?://(?:www\.)?metacafe\.com/watch/([^/]+)/([^/]+)/.*'
     _DISCLAIMER = 'http://www.metacafe.com/family_filter/'
     _FILTER_POST = 'http://www.metacafe.com/f/index.php?inputType=filter&controllerGroup=user'
     IE_NAME = 'metacafe'
diff --git a/youtube_dl/extractor/mit.py b/youtube_dl/extractor/mit.py
index 819c1b90b..1aea78d11 100644
--- a/youtube_dl/extractor/mit.py
+++ b/youtube_dl/extractor/mit.py
@@ -91,7 +91,7 @@ class MITIE(TechTVMITIE):
 
 class OCWMITIE(InfoExtractor):
     IE_NAME = 'ocw.mit.edu'
-    _VALID_URL = r'^http://ocw\.mit\.edu/courses/(?P<topic>[a-z0-9\-]+)'
+    _VALID_URL = r'^https?://ocw\.mit\.edu/courses/(?P<topic>[a-z0-9\-]+)'
     _BASE_URL = 'http://ocw.mit.edu/'
 
     _TESTS = [
diff --git a/youtube_dl/extractor/mitele.py b/youtube_dl/extractor/mitele.py
index c595f2077..9e584860a 100644
--- a/youtube_dl/extractor/mitele.py
+++ b/youtube_dl/extractor/mitele.py
@@ -14,7 +14,7 @@ from ..utils import (
 
 class MiTeleIE(InfoExtractor):
     IE_DESC = 'mitele.es'
-    _VALID_URL = r'http://www\.mitele\.es/[^/]+/[^/]+/[^/]+/(?P<id>[^/]+)/'
+    _VALID_URL = r'https?://www\.mitele\.es/[^/]+/[^/]+/[^/]+/(?P<id>[^/]+)/'
 
     _TESTS = [{
         'url': 'http://www.mitele.es/programas-tv/diario-de/la-redaccion/programa-144/',
diff --git a/youtube_dl/extractor/mooshare.py b/youtube_dl/extractor/mooshare.py
index 7cc7f054f..f010f52d5 100644
--- a/youtube_dl/extractor/mooshare.py
+++ b/youtube_dl/extractor/mooshare.py
@@ -13,7 +13,7 @@ from ..utils import (
 class MooshareIE(InfoExtractor):
     IE_NAME = 'mooshare'
     IE_DESC = 'Mooshare.biz'
-    _VALID_URL = r'http://(?:www\.)?mooshare\.biz/(?P<id>[\da-z]{12})'
+    _VALID_URL = r'https?://(?:www\.)?mooshare\.biz/(?P<id>[\da-z]{12})'
 
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/motherless.py b/youtube_dl/extractor/motherless.py
index 0b4787c1d..ad04b12cd 100644
--- a/youtube_dl/extractor/motherless.py
+++ b/youtube_dl/extractor/motherless.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class MotherlessIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?motherless\.com/(?:g/[a-z0-9_]+/)?(?P<id>[A-Z0-9]+)'
+    _VALID_URL = r'https?://(?:www\.)?motherless\.com/(?:g/[a-z0-9_]+/)?(?P<id>[A-Z0-9]+)'
     _TESTS = [{
         'url': 'http://motherless.com/AC3FFE1',
         'md5': '310f62e325a9fafe64f68c0bccb6e75f',
diff --git a/youtube_dl/extractor/motorsport.py b/youtube_dl/extractor/motorsport.py
index c1a482dba..370328b36 100644
--- a/youtube_dl/extractor/motorsport.py
+++ b/youtube_dl/extractor/motorsport.py
@@ -9,7 +9,7 @@ from ..compat import (
 
 class MotorsportIE(InfoExtractor):
     IE_DESC = 'motorsport.com'
-    _VALID_URL = r'http://www\.motorsport\.com/[^/?#]+/video/(?:[^/?#]+/)(?P<id>[^/]+)/?(?:$|[?#])'
+    _VALID_URL = r'https?://www\.motorsport\.com/[^/?#]+/video/(?:[^/?#]+/)(?P<id>[^/]+)/?(?:$|[?#])'
     _TEST = {
         'url': 'http://www.motorsport.com/f1/video/main-gallery/red-bull-racing-2014-rules-explained/',
         'info_dict': {
diff --git a/youtube_dl/extractor/myspass.py b/youtube_dl/extractor/myspass.py
index f936b92bb..1ca7b1a9e 100644
--- a/youtube_dl/extractor/myspass.py
+++ b/youtube_dl/extractor/myspass.py
@@ -11,7 +11,7 @@ from ..utils import (
 
 
 class MySpassIE(InfoExtractor):
-    _VALID_URL = r'http://www\.myspass\.de/.*'
+    _VALID_URL = r'https?://www\.myspass\.de/.*'
     _TEST = {
         'url': 'http://www.myspass.de/myspass/shows/tvshows/absolute-mehrheit/Absolute-Mehrheit-vom-17022013-Die-Highlights-Teil-2--/11741/',
         'md5': '0b49f4844a068f8b33f4b7c88405862b',
diff --git a/youtube_dl/extractor/myvideo.py b/youtube_dl/extractor/myvideo.py
index 1e21cf98a..c83a1eab5 100644
--- a/youtube_dl/extractor/myvideo.py
+++ b/youtube_dl/extractor/myvideo.py
@@ -20,7 +20,7 @@ from ..utils import (
 
 class MyVideoIE(InfoExtractor):
     _WORKING = False
-    _VALID_URL = r'http://(?:www\.)?myvideo\.de/(?:[^/]+/)?watch/(?P<id>[0-9]+)/[^?/]+.*'
+    _VALID_URL = r'https?://(?:www\.)?myvideo\.de/(?:[^/]+/)?watch/(?P<id>[0-9]+)/[^?/]+.*'
     IE_NAME = 'myvideo'
     _TEST = {
         'url': 'http://www.myvideo.de/watch/8229274/bowling_fail_or_win',
diff --git a/youtube_dl/extractor/myvidster.py b/youtube_dl/extractor/myvidster.py
index a94ab8358..731c24542 100644
--- a/youtube_dl/extractor/myvidster.py
+++ b/youtube_dl/extractor/myvidster.py
@@ -4,7 +4,7 @@ from .common import InfoExtractor
 
 
 class MyVidsterIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?myvidster\.com/video/(?P<id>\d+)/'
+    _VALID_URL = r'https?://(?:www\.)?myvidster\.com/video/(?P<id>\d+)/'
 
     _TEST = {
         'url': 'http://www.myvidster.com/video/32059805/Hot_chemistry_with_raw_love_making',
diff --git a/youtube_dl/extractor/nationalgeographic.py b/youtube_dl/extractor/nationalgeographic.py
index 7ce8d9b18..d5e53365c 100644
--- a/youtube_dl/extractor/nationalgeographic.py
+++ b/youtube_dl/extractor/nationalgeographic.py
@@ -8,7 +8,7 @@ from ..utils import (
 
 
 class NationalGeographicIE(InfoExtractor):
-    _VALID_URL = r'http://video\.nationalgeographic\.com/.*?'
+    _VALID_URL = r'https?://video\.nationalgeographic\.com/.*?'
 
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/nbc.py b/youtube_dl/extractor/nbc.py
index bb0817e34..a622f2212 100644
--- a/youtube_dl/extractor/nbc.py
+++ b/youtube_dl/extractor/nbc.py
@@ -115,7 +115,7 @@ class NBCSportsVPlayerIE(InfoExtractor):
 
 class NBCSportsIE(InfoExtractor):
     # Does not include https because its certificate is invalid
-    _VALID_URL = r'http://www\.nbcsports\.com//?(?:[^/]+/)+(?P<id>[0-9a-z-]+)'
+    _VALID_URL = r'https?://www\.nbcsports\.com//?(?:[^/]+/)+(?P<id>[0-9a-z-]+)'
 
     _TEST = {
         'url': 'http://www.nbcsports.com//college-basketball/ncaab/tom-izzo-michigan-st-has-so-much-respect-duke',
@@ -295,7 +295,7 @@ class NBCNewsIE(ThePlatformIE):
 
 class MSNBCIE(InfoExtractor):
     # https URLs redirect to corresponding http ones
-    _VALID_URL = r'http://www\.msnbc\.com/[^/]+/watch/(?P<id>[^/]+)'
+    _VALID_URL = r'https?://www\.msnbc\.com/[^/]+/watch/(?P<id>[^/]+)'
     _TEST = {
         'url': 'http://www.msnbc.com/all-in-with-chris-hayes/watch/the-chaotic-gop-immigration-vote-314487875924',
         'md5': '6d236bf4f3dddc226633ce6e2c3f814d',
diff --git a/youtube_dl/extractor/nextmedia.py b/youtube_dl/extractor/nextmedia.py
index d1688457f..aae7aeeeb 100644
--- a/youtube_dl/extractor/nextmedia.py
+++ b/youtube_dl/extractor/nextmedia.py
@@ -7,7 +7,7 @@ from ..utils import parse_iso8601
 
 class NextMediaIE(InfoExtractor):
     IE_DESC = '蘋果日報'
-    _VALID_URL = r'http://hk.apple.nextmedia.com/[^/]+/[^/]+/(?P<date>\d+)/(?P<id>\d+)'
+    _VALID_URL = r'https?://hk.apple.nextmedia.com/[^/]+/[^/]+/(?P<date>\d+)/(?P<id>\d+)'
     _TESTS = [{
         'url': 'http://hk.apple.nextmedia.com/realtime/news/20141108/53109199',
         'md5': 'dff9fad7009311c421176d1ac90bfe4f',
@@ -68,7 +68,7 @@ class NextMediaIE(InfoExtractor):
 
 class NextMediaActionNewsIE(NextMediaIE):
     IE_DESC = '蘋果日報 - 動新聞'
-    _VALID_URL = r'http://hk.dv.nextmedia.com/actionnews/[^/]+/(?P<date>\d+)/(?P<id>\d+)/\d+'
+    _VALID_URL = r'https?://hk.dv.nextmedia.com/actionnews/[^/]+/(?P<date>\d+)/(?P<id>\d+)/\d+'
     _TESTS = [{
         'url': 'http://hk.dv.nextmedia.com/actionnews/hit/20150121/19009428/20061460',
         'md5': '05fce8ffeed7a5e00665d4b7cf0f9201',
@@ -93,7 +93,7 @@ class NextMediaActionNewsIE(NextMediaIE):
 
 class AppleDailyIE(NextMediaIE):
     IE_DESC = '臺灣蘋果日報'
-    _VALID_URL = r'http://(www|ent).appledaily.com.tw/(?:animation|appledaily|enews|realtimenews)/[^/]+/[^/]+/(?P<date>\d+)/(?P<id>\d+)(/.*)?'
+    _VALID_URL = r'https?://(www|ent).appledaily.com.tw/(?:animation|appledaily|enews|realtimenews)/[^/]+/[^/]+/(?P<date>\d+)/(?P<id>\d+)(/.*)?'
     _TESTS = [{
         'url': 'http://ent.appledaily.com.tw/enews/article/entertainment/20150128/36354694',
         'md5': 'a843ab23d150977cc55ef94f1e2c1e4d',
diff --git a/youtube_dl/extractor/noco.py b/youtube_dl/extractor/noco.py
index d440313d5..ec7317a2f 100644
--- a/youtube_dl/extractor/noco.py
+++ b/youtube_dl/extractor/noco.py
@@ -22,7 +22,7 @@ from ..utils import (
 
 
 class NocoIE(InfoExtractor):
-    _VALID_URL = r'http://(?:(?:www\.)?noco\.tv/emission/|player\.noco\.tv/\?idvideo=)(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:(?:www\.)?noco\.tv/emission/|player\.noco\.tv/\?idvideo=)(?P<id>\d+)'
     _LOGIN_URL = 'http://noco.tv/do.php'
     _API_URL_TEMPLATE = 'https://api.noco.tv/1.1/%s?ts=%s&tk=%s'
     _SUB_LANG_TEMPLATE = '&sub_lang=%s'
diff --git a/youtube_dl/extractor/normalboots.py b/youtube_dl/extractor/normalboots.py
index 5952d136f..77e091072 100644
--- a/youtube_dl/extractor/normalboots.py
+++ b/youtube_dl/extractor/normalboots.py
@@ -9,7 +9,7 @@ from ..utils import (
 
 
 class NormalbootsIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?normalboots\.com/video/(?P<id>[0-9a-z-]*)/?$'
+    _VALID_URL = r'https?://(?:www\.)?normalboots\.com/video/(?P<id>[0-9a-z-]*)/?$'
     _TEST = {
         'url': 'http://normalboots.com/video/home-alone-games-jontron/',
         'md5': '8bf6de238915dd501105b44ef5f1e0f6',
diff --git a/youtube_dl/extractor/nova.py b/youtube_dl/extractor/nova.py
index 72f72b803..17671ad39 100644
--- a/youtube_dl/extractor/nova.py
+++ b/youtube_dl/extractor/nova.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 class NovaIE(InfoExtractor):
     IE_DESC = 'TN.cz, Prásk.tv, Nova.cz, Novaplus.cz, FANDA.tv, Krásná.cz and Doma.cz'
-    _VALID_URL = r'http://(?:[^.]+\.)?(?P<site>tv(?:noviny)?|tn|novaplus|vymena|fanda|krasna|doma|prask)\.nova\.cz/(?:[^/]+/)+(?P<id>[^/]+?)(?:\.html|/|$)'
+    _VALID_URL = r'https?://(?:[^.]+\.)?(?P<site>tv(?:noviny)?|tn|novaplus|vymena|fanda|krasna|doma|prask)\.nova\.cz/(?:[^/]+/)+(?P<id>[^/]+?)(?:\.html|/|$)'
     _TESTS = [{
         'url': 'http://tvnoviny.nova.cz/clanek/novinky/co-na-sebe-sportaci-praskli-vime-jestli-pujde-hrdlicka-na-materskou.html?utm_source=tvnoviny&utm_medium=cpfooter&utm_campaign=novaplus',
         'info_dict': {
diff --git a/youtube_dl/extractor/npr.py b/youtube_dl/extractor/npr.py
index 125c7010b..a3f0abb4e 100644
--- a/youtube_dl/extractor/npr.py
+++ b/youtube_dl/extractor/npr.py
@@ -9,7 +9,7 @@ from ..utils import (
 
 
 class NprIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?npr\.org/player/v2/mediaPlayer\.html\?.*\bid=(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?npr\.org/player/v2/mediaPlayer\.html\?.*\bid=(?P<id>\d+)'
     _TESTS = [{
         'url': 'http://www.npr.org/player/v2/mediaPlayer.html?id=449974205',
         'info_dict': {
diff --git a/youtube_dl/extractor/ntvru.py b/youtube_dl/extractor/ntvru.py
index 2cd924d05..0895d7ea4 100644
--- a/youtube_dl/extractor/ntvru.py
+++ b/youtube_dl/extractor/ntvru.py
@@ -11,7 +11,7 @@ from ..utils import (
 
 class NTVRuIE(InfoExtractor):
     IE_NAME = 'ntv.ru'
-    _VALID_URL = r'http://(?:www\.)?ntv\.ru/(?P<id>.+)'
+    _VALID_URL = r'https?://(?:www\.)?ntv\.ru/(?P<id>.+)'
 
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/orf.py b/youtube_dl/extractor/orf.py
index 958eb398b..66c75f8b3 100644
--- a/youtube_dl/extractor/orf.py
+++ b/youtube_dl/extractor/orf.py
@@ -137,7 +137,7 @@ class ORFTVthekIE(InfoExtractor):
 class ORFOE1IE(InfoExtractor):
     IE_NAME = 'orf:oe1'
     IE_DESC = 'Radio Österreich 1'
-    _VALID_URL = r'http://oe1\.orf\.at/(?:programm/|konsole.*?#\?track_id=)(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://oe1\.orf\.at/(?:programm/|konsole.*?#\?track_id=)(?P<id>[0-9]+)'
 
     # Audios on ORF radio are only available for 7 days, so we can't add tests.
     _TEST = {
@@ -171,7 +171,7 @@ class ORFOE1IE(InfoExtractor):
 class ORFFM4IE(InfoExtractor):
     IE_NAME = 'orf:fm4'
     IE_DESC = 'radio FM4'
-    _VALID_URL = r'http://fm4\.orf\.at/(?:7tage/?#|player/)(?P<date>[0-9]+)/(?P<show>\w+)'
+    _VALID_URL = r'https?://fm4\.orf\.at/(?:7tage/?#|player/)(?P<date>[0-9]+)/(?P<show>\w+)'
 
     _TEST = {
         'url': 'http://fm4.orf.at/player/20160110/IS/',
@@ -222,7 +222,7 @@ class ORFFM4IE(InfoExtractor):
 class ORFIPTVIE(InfoExtractor):
     IE_NAME = 'orf:iptv'
     IE_DESC = 'iptv.ORF.at'
-    _VALID_URL = r'http://iptv\.orf\.at/(?:#/)?stories/(?P<id>\d+)'
+    _VALID_URL = r'https?://iptv\.orf\.at/(?:#/)?stories/(?P<id>\d+)'
 
     _TEST = {
         'url': 'http://iptv.orf.at/stories/2275236/',
diff --git a/youtube_dl/extractor/philharmoniedeparis.py b/youtube_dl/extractor/philharmoniedeparis.py
index 6e60e5fe9..f1008ae51 100644
--- a/youtube_dl/extractor/philharmoniedeparis.py
+++ b/youtube_dl/extractor/philharmoniedeparis.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 class PhilharmonieDeParisIE(InfoExtractor):
     IE_DESC = 'Philharmonie de Paris'
-    _VALID_URL = r'http://live\.philharmoniedeparis\.fr/(?:[Cc]oncert/|misc/Playlist\.ashx\?id=)(?P<id>\d+)'
+    _VALID_URL = r'https?://live\.philharmoniedeparis\.fr/(?:[Cc]oncert/|misc/Playlist\.ashx\?id=)(?P<id>\d+)'
     _TESTS = [{
         'url': 'http://live.philharmoniedeparis.fr/concert/1032066.html',
         'info_dict': {
diff --git a/youtube_dl/extractor/photobucket.py b/youtube_dl/extractor/photobucket.py
index 788411ccc..6c8bbe1d9 100644
--- a/youtube_dl/extractor/photobucket.py
+++ b/youtube_dl/extractor/photobucket.py
@@ -8,7 +8,7 @@ from ..compat import compat_urllib_parse_unquote
 
 
 class PhotobucketIE(InfoExtractor):
-    _VALID_URL = r'http://(?:[a-z0-9]+\.)?photobucket\.com/.*(([\?\&]current=)|_)(?P<id>.*)\.(?P<ext>(flv)|(mp4))'
+    _VALID_URL = r'https?://(?:[a-z0-9]+\.)?photobucket\.com/.*(([\?\&]current=)|_)(?P<id>.*)\.(?P<ext>(flv)|(mp4))'
     _TEST = {
         'url': 'http://media.photobucket.com/user/rachaneronas/media/TiredofLinkBuildingTryBacklinkMyDomaincom_zpsc0c3b9fa.mp4.html?filters[term]=search&filters[primary]=videos&filters[secondary]=images&sort=1&o=0',
         'md5': '7dabfb92b0a31f6c16cebc0f8e60ff99',
diff --git a/youtube_dl/extractor/pornhd.py b/youtube_dl/extractor/pornhd.py
index 57c78ba52..39b53ecf6 100644
--- a/youtube_dl/extractor/pornhd.py
+++ b/youtube_dl/extractor/pornhd.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class PornHdIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?pornhd\.com/(?:[a-z]{2,4}/)?videos/(?P<id>\d+)(?:/(?P<display_id>.+))?'
+    _VALID_URL = r'https?://(?:www\.)?pornhd\.com/(?:[a-z]{2,4}/)?videos/(?P<id>\d+)(?:/(?P<display_id>.+))?'
     _TEST = {
         'url': 'http://www.pornhd.com/videos/1962/sierra-day-gets-his-cum-all-over-herself-hd-porn-video',
         'md5': '956b8ca569f7f4d8ec563e2c41598441',
diff --git a/youtube_dl/extractor/pornovoisines.py b/youtube_dl/extractor/pornovoisines.py
index 1a53fd71c..6b51e5c54 100644
--- a/youtube_dl/extractor/pornovoisines.py
+++ b/youtube_dl/extractor/pornovoisines.py
@@ -13,7 +13,7 @@ from ..utils import (
 
 
 class PornoVoisinesIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?pornovoisines\.com/showvideo/(?P<id>\d+)/(?P<display_id>[^/]+)'
+    _VALID_URL = r'https?://(?:www\.)?pornovoisines\.com/showvideo/(?P<id>\d+)/(?P<display_id>[^/]+)'
 
     _VIDEO_URL_TEMPLATE = 'http://stream%d.pornovoisines.com' \
         '/static/media/video/transcoded/%s-640x360-1000-trscded.mp4'
diff --git a/youtube_dl/extractor/pyvideo.py b/youtube_dl/extractor/pyvideo.py
index 30a5f2de4..cc0416cb8 100644
--- a/youtube_dl/extractor/pyvideo.py
+++ b/youtube_dl/extractor/pyvideo.py
@@ -7,7 +7,7 @@ from .common import InfoExtractor
 
 
 class PyvideoIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?pyvideo\.org/video/(?P<id>\d+)/(.*)'
+    _VALID_URL = r'https?://(?:www\.)?pyvideo\.org/video/(?P<id>\d+)/(.*)'
 
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/qqmusic.py b/youtube_dl/extractor/qqmusic.py
index 45a3c41c5..ff0af9543 100644
--- a/youtube_dl/extractor/qqmusic.py
+++ b/youtube_dl/extractor/qqmusic.py
@@ -18,7 +18,7 @@ from ..utils import (
 class QQMusicIE(InfoExtractor):
     IE_NAME = 'qqmusic'
     IE_DESC = 'QQ音乐'
-    _VALID_URL = r'http://y.qq.com/#type=song&mid=(?P<id>[0-9A-Za-z]+)'
+    _VALID_URL = r'https?://y.qq.com/#type=song&mid=(?P<id>[0-9A-Za-z]+)'
     _TESTS = [{
         'url': 'http://y.qq.com/#type=song&mid=004295Et37taLD',
         'md5': '9ce1c1c8445f561506d2e3cfb0255705',
@@ -172,7 +172,7 @@ class QQPlaylistBaseIE(InfoExtractor):
 class QQMusicSingerIE(QQPlaylistBaseIE):
     IE_NAME = 'qqmusic:singer'
     IE_DESC = 'QQ音乐 - 歌手'
-    _VALID_URL = r'http://y.qq.com/#type=singer&mid=(?P<id>[0-9A-Za-z]+)'
+    _VALID_URL = r'https?://y.qq.com/#type=singer&mid=(?P<id>[0-9A-Za-z]+)'
     _TEST = {
         'url': 'http://y.qq.com/#type=singer&mid=001BLpXF2DyJe2',
         'info_dict': {
@@ -217,7 +217,7 @@ class QQMusicSingerIE(QQPlaylistBaseIE):
 class QQMusicAlbumIE(QQPlaylistBaseIE):
     IE_NAME = 'qqmusic:album'
     IE_DESC = 'QQ音乐 - 专辑'
-    _VALID_URL = r'http://y.qq.com/#type=album&mid=(?P<id>[0-9A-Za-z]+)'
+    _VALID_URL = r'https?://y.qq.com/#type=album&mid=(?P<id>[0-9A-Za-z]+)'
 
     _TESTS = [{
         'url': 'http://y.qq.com/#type=album&mid=000gXCTb2AhRR1',
@@ -260,7 +260,7 @@ class QQMusicAlbumIE(QQPlaylistBaseIE):
 class QQMusicToplistIE(QQPlaylistBaseIE):
     IE_NAME = 'qqmusic:toplist'
     IE_DESC = 'QQ音乐 - 排行榜'
-    _VALID_URL = r'http://y\.qq\.com/#type=toplist&p=(?P<id>(top|global)_[0-9]+)'
+    _VALID_URL = r'https?://y\.qq\.com/#type=toplist&p=(?P<id>(top|global)_[0-9]+)'
 
     _TESTS = [{
         'url': 'http://y.qq.com/#type=toplist&p=global_123',
@@ -314,7 +314,7 @@ class QQMusicToplistIE(QQPlaylistBaseIE):
 class QQMusicPlaylistIE(QQPlaylistBaseIE):
     IE_NAME = 'qqmusic:playlist'
     IE_DESC = 'QQ音乐 - 歌单'
-    _VALID_URL = r'http://y\.qq\.com/#type=taoge&id=(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://y\.qq\.com/#type=taoge&id=(?P<id>[0-9]+)'
 
     _TESTS = [{
         'url': 'http://y.qq.com/#type=taoge&id=3462654915',
diff --git a/youtube_dl/extractor/rai.py b/youtube_dl/extractor/rai.py
index a4dc5c335..e36ce1aa1 100644
--- a/youtube_dl/extractor/rai.py
+++ b/youtube_dl/extractor/rai.py
@@ -18,7 +18,7 @@ from ..utils import (
 
 
 class RaiTVIE(InfoExtractor):
-    _VALID_URL = r'http://(?:.+?\.)?(?:rai\.it|rai\.tv|rainews\.it)/dl/(?:[^/]+/)+media/.+?-(?P<id>[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12})(?:-.+?)?\.html'
+    _VALID_URL = r'https?://(?:.+?\.)?(?:rai\.it|rai\.tv|rainews\.it)/dl/(?:[^/]+/)+media/.+?-(?P<id>[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12})(?:-.+?)?\.html'
     _TESTS = [
         {
             'url': 'http://www.rai.tv/dl/RaiTV/programmi/media/ContentItem-cb27157f-9dd0-4aee-b788-b1f67643a391.html',
@@ -175,7 +175,7 @@ class RaiTVIE(InfoExtractor):
 
 
 class RaiIE(InfoExtractor):
-    _VALID_URL = r'http://(?:.+?\.)?(?:rai\.it|rai\.tv|rainews\.it)/dl/.+?-(?P<id>[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12})(?:-.+?)?\.html'
+    _VALID_URL = r'https?://(?:.+?\.)?(?:rai\.it|rai\.tv|rainews\.it)/dl/.+?-(?P<id>[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12})(?:-.+?)?\.html'
     _TESTS = [
         {
             'url': 'http://www.report.rai.it/dl/Report/puntata/ContentItem-0c7a664b-d0f4-4b2c-8835-3f82e46f433e.html',
diff --git a/youtube_dl/extractor/redtube.py b/youtube_dl/extractor/redtube.py
index d6054d717..7ba41ba59 100644
--- a/youtube_dl/extractor/redtube.py
+++ b/youtube_dl/extractor/redtube.py
@@ -5,7 +5,7 @@ from ..utils import ExtractorError
 
 
 class RedTubeIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?redtube\.com/(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://(?:www\.)?redtube\.com/(?P<id>[0-9]+)'
     _TEST = {
         'url': 'http://www.redtube.com/66418',
         'md5': '7b8c22b5e7098a3e1c09709df1126d2d',
diff --git a/youtube_dl/extractor/ringtv.py b/youtube_dl/extractor/ringtv.py
index 508758075..2c2c707bd 100644
--- a/youtube_dl/extractor/ringtv.py
+++ b/youtube_dl/extractor/ringtv.py
@@ -6,7 +6,7 @@ from .common import InfoExtractor
 
 
 class RingTVIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?ringtv\.craveonline\.com/(?P<type>news|videos/video)/(?P<id>[^/?#]+)'
+    _VALID_URL = r'https?://(?:www\.)?ringtv\.craveonline\.com/(?P<type>news|videos/video)/(?P<id>[^/?#]+)'
     _TEST = {
         'url': 'http://ringtv.craveonline.com/news/310833-luis-collazo-says-victor-ortiz-better-not-quit-on-jan-30',
         'md5': 'd25945f5df41cdca2d2587165ac28720',
diff --git a/youtube_dl/extractor/rtve.py b/youtube_dl/extractor/rtve.py
index 8a8c5d2a0..08cd1ae6c 100644
--- a/youtube_dl/extractor/rtve.py
+++ b/youtube_dl/extractor/rtve.py
@@ -62,7 +62,7 @@ def _decrypt_url(png):
 class RTVEALaCartaIE(InfoExtractor):
     IE_NAME = 'rtve.es:alacarta'
     IE_DESC = 'RTVE a la carta'
-    _VALID_URL = r'http://www\.rtve\.es/(m/)?alacarta/videos/[^/]+/[^/]+/(?P<id>\d+)'
+    _VALID_URL = r'https?://www\.rtve\.es/(m/)?alacarta/videos/[^/]+/[^/]+/(?P<id>\d+)'
 
     _TESTS = [{
         'url': 'http://www.rtve.es/alacarta/videos/balonmano/o-swiss-cup-masculina-final-espana-suecia/2491869/',
@@ -179,7 +179,7 @@ class RTVEInfantilIE(InfoExtractor):
 class RTVELiveIE(InfoExtractor):
     IE_NAME = 'rtve.es:live'
     IE_DESC = 'RTVE.es live streams'
-    _VALID_URL = r'http://www\.rtve\.es/directo/(?P<id>[a-zA-Z0-9-]+)'
+    _VALID_URL = r'https?://www\.rtve\.es/directo/(?P<id>[a-zA-Z0-9-]+)'
 
     _TESTS = [{
         'url': 'http://www.rtve.es/directo/la-1/',
diff --git a/youtube_dl/extractor/ruhd.py b/youtube_dl/extractor/ruhd.py
index 0e470e73f..1f7c26299 100644
--- a/youtube_dl/extractor/ruhd.py
+++ b/youtube_dl/extractor/ruhd.py
@@ -5,7 +5,7 @@ from .common import InfoExtractor
 
 
 class RUHDIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?ruhd\.ru/play\.php\?vid=(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?ruhd\.ru/play\.php\?vid=(?P<id>\d+)'
     _TEST = {
         'url': 'http://www.ruhd.ru/play.php?vid=207',
         'md5': 'd1a9ec4edf8598e3fbd92bb16072ba83',
diff --git a/youtube_dl/extractor/rutube.py b/youtube_dl/extractor/rutube.py
index c5c47d01e..9ca4ae147 100644
--- a/youtube_dl/extractor/rutube.py
+++ b/youtube_dl/extractor/rutube.py
@@ -122,7 +122,7 @@ class RutubeEmbedIE(InfoExtractor):
 class RutubeChannelIE(InfoExtractor):
     IE_NAME = 'rutube:channel'
     IE_DESC = 'Rutube channels'
-    _VALID_URL = r'http://rutube\.ru/tags/video/(?P<id>\d+)'
+    _VALID_URL = r'https?://rutube\.ru/tags/video/(?P<id>\d+)'
     _TESTS = [{
         'url': 'http://rutube.ru/tags/video/1800/',
         'info_dict': {
@@ -156,7 +156,7 @@ class RutubeChannelIE(InfoExtractor):
 class RutubeMovieIE(RutubeChannelIE):
     IE_NAME = 'rutube:movie'
     IE_DESC = 'Rutube movies'
-    _VALID_URL = r'http://rutube\.ru/metainfo/tv/(?P<id>\d+)'
+    _VALID_URL = r'https?://rutube\.ru/metainfo/tv/(?P<id>\d+)'
     _TESTS = []
 
     _MOVIE_TEMPLATE = 'http://rutube.ru/api/metainfo/tv/%s/?format=json'
@@ -174,7 +174,7 @@ class RutubeMovieIE(RutubeChannelIE):
 class RutubePersonIE(RutubeChannelIE):
     IE_NAME = 'rutube:person'
     IE_DESC = 'Rutube person videos'
-    _VALID_URL = r'http://rutube\.ru/video/person/(?P<id>\d+)'
+    _VALID_URL = r'https?://rutube\.ru/video/person/(?P<id>\d+)'
     _TESTS = [{
         'url': 'http://rutube.ru/video/person/313878/',
         'info_dict': {
diff --git a/youtube_dl/extractor/screenjunkies.py b/youtube_dl/extractor/screenjunkies.py
index f2af15f6b..dd0a6ba19 100644
--- a/youtube_dl/extractor/screenjunkies.py
+++ b/youtube_dl/extractor/screenjunkies.py
@@ -11,7 +11,7 @@ from ..utils import (
 
 
 class ScreenJunkiesIE(InfoExtractor):
-    _VALID_URL = r'http://www.screenjunkies.com/video/(?P<display_id>[^/]+?)(?:-(?P<id>\d+))?(?:[/?#&]|$)'
+    _VALID_URL = r'https?://www.screenjunkies.com/video/(?P<display_id>[^/]+?)(?:-(?P<id>\d+))?(?:[/?#&]|$)'
     _TESTS = [{
         'url': 'http://www.screenjunkies.com/video/best-quentin-tarantino-movie-2841915',
         'md5': '5c2b686bec3d43de42bde9ec047536b0',
diff --git a/youtube_dl/extractor/senateisvp.py b/youtube_dl/extractor/senateisvp.py
index 4d3b58522..c5f474dd1 100644
--- a/youtube_dl/extractor/senateisvp.py
+++ b/youtube_dl/extractor/senateisvp.py
@@ -48,7 +48,7 @@ class SenateISVPIE(InfoExtractor):
         ['arch', '', 'http://ussenate-f.akamaihd.net/']
     ]
     _IE_NAME = 'senate.gov'
-    _VALID_URL = r'http://www\.senate\.gov/isvp/?\?(?P<qs>.+)'
+    _VALID_URL = r'https?://www\.senate\.gov/isvp/?\?(?P<qs>.+)'
     _TESTS = [{
         'url': 'http://www.senate.gov/isvp/?comm=judiciary&type=live&stt=&filename=judiciary031715&auto_play=false&wmode=transparent&poster=http%3A%2F%2Fwww.judiciary.senate.gov%2Fthemes%2Fjudiciary%2Fimages%2Fvideo-poster-flash-fit.png',
         'info_dict': {
diff --git a/youtube_dl/extractor/shared.py b/youtube_dl/extractor/shared.py
index 8eda3c864..96fe0b90d 100644
--- a/youtube_dl/extractor/shared.py
+++ b/youtube_dl/extractor/shared.py
@@ -13,7 +13,7 @@ from ..utils import (
 
 class SharedIE(InfoExtractor):
     IE_DESC = 'shared.sx and vivo.sx'
-    _VALID_URL = r'http://(?:shared|vivo)\.sx/(?P<id>[\da-z]{10})'
+    _VALID_URL = r'https?://(?:shared|vivo)\.sx/(?P<id>[\da-z]{10})'
 
     _TESTS = [{
         'url': 'http://shared.sx/0060718775',
diff --git a/youtube_dl/extractor/sport5.py b/youtube_dl/extractor/sport5.py
index dfe50ed45..7e6783306 100644
--- a/youtube_dl/extractor/sport5.py
+++ b/youtube_dl/extractor/sport5.py
@@ -8,7 +8,7 @@ from ..utils import ExtractorError
 
 
 class Sport5IE(InfoExtractor):
-    _VALID_URL = r'http://(?:www|vod)?\.sport5\.co\.il/.*\b(?:Vi|docID)=(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www|vod)?\.sport5\.co\.il/.*\b(?:Vi|docID)=(?P<id>\d+)'
     _TESTS = [
         {
             'url': 'http://vod.sport5.co.il/?Vc=147&Vi=176331&Page=1',
diff --git a/youtube_dl/extractor/ssa.py b/youtube_dl/extractor/ssa.py
index 13101c714..54d1843f2 100644
--- a/youtube_dl/extractor/ssa.py
+++ b/youtube_dl/extractor/ssa.py
@@ -8,7 +8,7 @@ from ..utils import (
 
 
 class SSAIE(InfoExtractor):
-    _VALID_URL = r'http://ssa\.nls\.uk/film/(?P<id>\d+)'
+    _VALID_URL = r'https?://ssa\.nls\.uk/film/(?P<id>\d+)'
     _TEST = {
         'url': 'http://ssa.nls.uk/film/3561',
         'info_dict': {
diff --git a/youtube_dl/extractor/sztvhu.py b/youtube_dl/extractor/sztvhu.py
index aa5964acb..f562aa6d3 100644
--- a/youtube_dl/extractor/sztvhu.py
+++ b/youtube_dl/extractor/sztvhu.py
@@ -5,7 +5,7 @@ from .common import InfoExtractor
 
 
 class SztvHuIE(InfoExtractor):
-    _VALID_URL = r'http://(?:(?:www\.)?sztv\.hu|www\.tvszombathely\.hu)/(?:[^/]+)/.+-(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://(?:(?:www\.)?sztv\.hu|www\.tvszombathely\.hu)/(?:[^/]+)/.+-(?P<id>[0-9]+)'
     _TEST = {
         'url': 'http://sztv.hu/hirek/cserkeszek-nepszerusitettek-a-kornyezettudatos-eletmodot-a-savaria-teren-20130909',
         'md5': 'a6df607b11fb07d0e9f2ad94613375cb',
diff --git a/youtube_dl/extractor/teamcoco.py b/youtube_dl/extractor/teamcoco.py
index d1b7264b4..b49ab5f5b 100644
--- a/youtube_dl/extractor/teamcoco.py
+++ b/youtube_dl/extractor/teamcoco.py
@@ -16,7 +16,7 @@ from ..compat import compat_ord
 
 
 class TeamcocoIE(InfoExtractor):
-    _VALID_URL = r'http://teamcoco\.com/video/(?P<video_id>[0-9]+)?/?(?P<display_id>.*)'
+    _VALID_URL = r'https?://teamcoco\.com/video/(?P<video_id>[0-9]+)?/?(?P<display_id>.*)'
     _TESTS = [
         {
             'url': 'http://teamcoco.com/video/80187/conan-becomes-a-mary-kay-beauty-consultant',
diff --git a/youtube_dl/extractor/tele13.py b/youtube_dl/extractor/tele13.py
index 4e860db0a..a29a64b6d 100644
--- a/youtube_dl/extractor/tele13.py
+++ b/youtube_dl/extractor/tele13.py
@@ -11,7 +11,7 @@ from ..utils import (
 
 
 class Tele13IE(InfoExtractor):
-    _VALID_URL = r'^http://(?:www\.)?t13\.cl/videos(?:/[^/]+)+/(?P<id>[\w-]+)'
+    _VALID_URL = r'^https?://(?:www\.)?t13\.cl/videos(?:/[^/]+)+/(?P<id>[\w-]+)'
     _TESTS = [
         {
             'url': 'http://www.t13.cl/videos/actualidad/el-circulo-de-hierro-de-michelle-bachelet-en-su-regreso-a-la-moneda',
diff --git a/youtube_dl/extractor/tf1.py b/youtube_dl/extractor/tf1.py
index 9ee844684..3f54b2744 100644
--- a/youtube_dl/extractor/tf1.py
+++ b/youtube_dl/extractor/tf1.py
@@ -6,7 +6,7 @@ from .common import InfoExtractor
 
 class TF1IE(InfoExtractor):
     """TF1 uses the wat.tv player."""
-    _VALID_URL = r'http://(?:(?:videos|www|lci)\.tf1|www\.tfou)\.fr/(?:[^/]+/)*(?P<id>.+?)\.html'
+    _VALID_URL = r'https?://(?:(?:videos|www|lci)\.tf1|www\.tfou)\.fr/(?:[^/]+/)*(?P<id>.+?)\.html'
     _TESTS = [{
         'url': 'http://videos.tf1.fr/auto-moto/citroen-grand-c4-picasso-2013-presentation-officielle-8062060.html',
         'info_dict': {
diff --git a/youtube_dl/extractor/thvideo.py b/youtube_dl/extractor/thvideo.py
index 496f15d80..406f4a826 100644
--- a/youtube_dl/extractor/thvideo.py
+++ b/youtube_dl/extractor/thvideo.py
@@ -10,7 +10,7 @@ from ..utils import (
 
 
 class THVideoIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?thvideo\.tv/(?:v/th|mobile\.php\?cid=)(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://(?:www\.)?thvideo\.tv/(?:v/th|mobile\.php\?cid=)(?P<id>[0-9]+)'
     _TEST = {
         'url': 'http://thvideo.tv/v/th1987/',
         'md5': 'fa107b1f73817e325e9433505a70db50',
diff --git a/youtube_dl/extractor/tinypic.py b/youtube_dl/extractor/tinypic.py
index e036b8cdf..c43cace24 100644
--- a/youtube_dl/extractor/tinypic.py
+++ b/youtube_dl/extractor/tinypic.py
@@ -9,7 +9,7 @@ from ..utils import ExtractorError
 class TinyPicIE(InfoExtractor):
     IE_NAME = 'tinypic'
     IE_DESC = 'tinypic.com videos'
-    _VALID_URL = r'http://(?:.+?\.)?tinypic\.com/player\.php\?v=(?P<id>[^&]+)&s=\d+'
+    _VALID_URL = r'https?://(?:.+?\.)?tinypic\.com/player\.php\?v=(?P<id>[^&]+)&s=\d+'
 
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/tlc.py b/youtube_dl/extractor/tlc.py
index 17add9543..abad3ff64 100644
--- a/youtube_dl/extractor/tlc.py
+++ b/youtube_dl/extractor/tlc.py
@@ -9,7 +9,7 @@ from ..compat import compat_parse_qs
 
 class TlcDeIE(InfoExtractor):
     IE_NAME = 'tlc.de'
-    _VALID_URL = r'http://www\.tlc\.de/(?:[^/]+/)*videos/(?P<title>[^/?#]+)?(?:.*#(?P<id>\d+))?'
+    _VALID_URL = r'https?://www\.tlc\.de/(?:[^/]+/)*videos/(?P<title>[^/?#]+)?(?:.*#(?P<id>\d+))?'
 
     _TEST = {
         'url': 'http://www.tlc.de/sendungen/breaking-amish/videos/#3235167922001',
diff --git a/youtube_dl/extractor/toypics.py b/youtube_dl/extractor/toypics.py
index 2756f56d3..2579ba8c6 100644
--- a/youtube_dl/extractor/toypics.py
+++ b/youtube_dl/extractor/toypics.py
@@ -41,7 +41,7 @@ class ToypicsIE(InfoExtractor):
 
 class ToypicsUserIE(InfoExtractor):
     IE_DESC = 'Toypics user profile'
-    _VALID_URL = r'http://videos\.toypics\.net/(?P<username>[^/?]+)(?:$|[?#])'
+    _VALID_URL = r'https?://videos\.toypics\.net/(?P<username>[^/?]+)(?:$|[?#])'
     _TEST = {
         'url': 'http://videos.toypics.net/Mikey',
         'info_dict': {
diff --git a/youtube_dl/extractor/traileraddict.py b/youtube_dl/extractor/traileraddict.py
index 0e01b15fc..747370d12 100644
--- a/youtube_dl/extractor/traileraddict.py
+++ b/youtube_dl/extractor/traileraddict.py
@@ -7,7 +7,7 @@ from .common import InfoExtractor
 
 class TrailerAddictIE(InfoExtractor):
     _WORKING = False
-    _VALID_URL = r'(?:http://)?(?:www\.)?traileraddict\.com/(?:trailer|clip)/(?P<movie>.+?)/(?P<trailer_name>.+)'
+    _VALID_URL = r'(?:https?://)?(?:www\.)?traileraddict\.com/(?:trailer|clip)/(?P<movie>.+?)/(?P<trailer_name>.+)'
     _TEST = {
         'url': 'http://www.traileraddict.com/trailer/prince-avalanche/trailer',
         'md5': '41365557f3c8c397d091da510e73ceb4',
diff --git a/youtube_dl/extractor/trollvids.py b/youtube_dl/extractor/trollvids.py
index d239949a6..657705623 100644
--- a/youtube_dl/extractor/trollvids.py
+++ b/youtube_dl/extractor/trollvids.py
@@ -7,7 +7,7 @@ from .nuevo import NuevoBaseIE
 
 
 class TrollvidsIE(NuevoBaseIE):
-    _VALID_URL = r'http://(?:www\.)?trollvids\.com/video/(?P<id>\d+)/(?P<display_id>[^/?#&]+)'
+    _VALID_URL = r'https?://(?:www\.)?trollvids\.com/video/(?P<id>\d+)/(?P<display_id>[^/?#&]+)'
     IE_NAME = 'trollvids'
     _TEST = {
         'url': 'http://trollvids.com/video/2349002/%E3%80%90MMD-R-18%E3%80%91%E3%82%AC%E3%83%BC%E3%83%AB%E3%83%95%E3%83%AC%E3%83%B3%E3%83%89-carrymeoff',
diff --git a/youtube_dl/extractor/tumblr.py b/youtube_dl/extractor/tumblr.py
index 4f844706d..cea117c79 100644
--- a/youtube_dl/extractor/tumblr.py
+++ b/youtube_dl/extractor/tumblr.py
@@ -8,7 +8,7 @@ from ..utils import int_or_none
 
 
 class TumblrIE(InfoExtractor):
-    _VALID_URL = r'http://(?P<blog_name>.*?)\.tumblr\.com/(?:post|video)/(?P<id>[0-9]+)(?:$|[/?#])'
+    _VALID_URL = r'https?://(?P<blog_name>.*?)\.tumblr\.com/(?:post|video)/(?P<id>[0-9]+)(?:$|[/?#])'
     _TESTS = [{
         'url': 'http://tatianamaslanydaily.tumblr.com/post/54196191430/orphan-black-dvd-extra-behind-the-scenes',
         'md5': '479bb068e5b16462f5176a6828829767',
diff --git a/youtube_dl/extractor/tv2.py b/youtube_dl/extractor/tv2.py
index 535d0d361..86bb7915d 100644
--- a/youtube_dl/extractor/tv2.py
+++ b/youtube_dl/extractor/tv2.py
@@ -14,7 +14,7 @@ from ..utils import (
 
 
 class TV2IE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?tv2\.no/v/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?tv2\.no/v/(?P<id>\d+)'
     _TEST = {
         'url': 'http://www.tv2.no/v/916509/',
         'info_dict': {
@@ -100,7 +100,7 @@ class TV2IE(InfoExtractor):
 
 
 class TV2ArticleIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?tv2\.no/(?:a|\d{4}/\d{2}/\d{2}(/[^/]+)+)/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?tv2\.no/(?:a|\d{4}/\d{2}/\d{2}(/[^/]+)+)/(?P<id>\d+)'
     _TESTS = [{
         'url': 'http://www.tv2.no/2015/05/16/nyheter/alesund/krim/pingvin/6930542',
         'info_dict': {
diff --git a/youtube_dl/extractor/tvc.py b/youtube_dl/extractor/tvc.py
index 3a4f393fc..4065354dd 100644
--- a/youtube_dl/extractor/tvc.py
+++ b/youtube_dl/extractor/tvc.py
@@ -11,7 +11,7 @@ from ..utils import (
 
 
 class TVCIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?tvc\.ru/video/iframe/id/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?tvc\.ru/video/iframe/id/(?P<id>\d+)'
     _TEST = {
         'url': 'http://www.tvc.ru/video/iframe/id/74622/isPlay/false/id_stat/channel/?acc_video_id=/channel/brand/id/17/show/episodes/episode_id/39702',
         'md5': 'bbc5ff531d1e90e856f60fc4b3afd708',
@@ -64,7 +64,7 @@ class TVCIE(InfoExtractor):
 
 
 class TVCArticleIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?tvc\.ru/(?!video/iframe/id/)(?P<id>[^?#]+)'
+    _VALID_URL = r'https?://(?:www\.)?tvc\.ru/(?!video/iframe/id/)(?P<id>[^?#]+)'
     _TESTS = [{
         'url': 'http://www.tvc.ru/channel/brand/id/29/show/episodes/episode_id/39702/',
         'info_dict': {
diff --git a/youtube_dl/extractor/tvplay.py b/youtube_dl/extractor/tvplay.py
index b4683de54..df70a6b23 100644
--- a/youtube_dl/extractor/tvplay.py
+++ b/youtube_dl/extractor/tvplay.py
@@ -13,7 +13,7 @@ from ..utils import (
 
 class TVPlayIE(InfoExtractor):
     IE_DESC = 'TV3Play and related services'
-    _VALID_URL = r'''(?x)http://(?:www\.)?
+    _VALID_URL = r'''(?x)https?://(?:www\.)?
         (?:tvplay\.lv/parraides|
            tv3play\.lt/programos|
            play\.tv3\.lt/programos|
diff --git a/youtube_dl/extractor/ubu.py b/youtube_dl/extractor/ubu.py
index d50237758..1d52cbc98 100644
--- a/youtube_dl/extractor/ubu.py
+++ b/youtube_dl/extractor/ubu.py
@@ -10,7 +10,7 @@ from ..utils import (
 
 
 class UbuIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?ubu\.com/film/(?P<id>[\da-z_-]+)\.html'
+    _VALID_URL = r'https?://(?:www\.)?ubu\.com/film/(?P<id>[\da-z_-]+)\.html'
     _TEST = {
         'url': 'http://ubu.com/film/her_noise.html',
         'md5': '138d5652618bf0f03878978db9bef1ee',
diff --git a/youtube_dl/extractor/unistra.py b/youtube_dl/extractor/unistra.py
index 594bee4f9..66d9f1bf3 100644
--- a/youtube_dl/extractor/unistra.py
+++ b/youtube_dl/extractor/unistra.py
@@ -7,7 +7,7 @@ from ..utils import qualities
 
 
 class UnistraIE(InfoExtractor):
-    _VALID_URL = r'http://utv\.unistra\.fr/(?:index|video)\.php\?id_video\=(?P<id>\d+)'
+    _VALID_URL = r'https?://utv\.unistra\.fr/(?:index|video)\.php\?id_video\=(?P<id>\d+)'
 
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/vbox7.py b/youtube_dl/extractor/vbox7.py
index 3794bcded..b755dda90 100644
--- a/youtube_dl/extractor/vbox7.py
+++ b/youtube_dl/extractor/vbox7.py
@@ -13,7 +13,7 @@ from ..utils import (
 
 
 class Vbox7IE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?vbox7\.com/play:(?P<id>[^/]+)'
+    _VALID_URL = r'https?://(?:www\.)?vbox7\.com/play:(?P<id>[^/]+)'
     _TEST = {
         'url': 'http://vbox7.com/play:249bb972c2',
         'md5': '99f65c0c9ef9b682b97313e052734c3f',
diff --git a/youtube_dl/extractor/veoh.py b/youtube_dl/extractor/veoh.py
index 9633f7ffe..23ce0a0d1 100644
--- a/youtube_dl/extractor/veoh.py
+++ b/youtube_dl/extractor/veoh.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class VeohIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?veoh\.com/(?:watch|iphone/#_Watch)/(?P<id>(?:v|yapi-)[\da-zA-Z]+)'
+    _VALID_URL = r'https?://(?:www\.)?veoh\.com/(?:watch|iphone/#_Watch)/(?P<id>(?:v|yapi-)[\da-zA-Z]+)'
 
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/vesti.py b/youtube_dl/extractor/vesti.py
index a0c59a2e0..cb64ae0bd 100644
--- a/youtube_dl/extractor/vesti.py
+++ b/youtube_dl/extractor/vesti.py
@@ -10,7 +10,7 @@ from .rutv import RUTVIE
 
 class VestiIE(InfoExtractor):
     IE_DESC = 'Вести.Ru'
-    _VALID_URL = r'http://(?:.+?\.)?vesti\.ru/(?P<id>.+)'
+    _VALID_URL = r'https?://(?:.+?\.)?vesti\.ru/(?P<id>.+)'
 
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/vgtv.py b/youtube_dl/extractor/vgtv.py
index 77d8978d4..b11cd254c 100644
--- a/youtube_dl/extractor/vgtv.py
+++ b/youtube_dl/extractor/vgtv.py
@@ -214,7 +214,7 @@ class VGTVIE(XstreamIE):
 class BTArticleIE(InfoExtractor):
     IE_NAME = 'bt:article'
     IE_DESC = 'Bergens Tidende Articles'
-    _VALID_URL = r'http://(?:www\.)?bt\.no/(?:[^/]+/)+(?P<id>[^/]+)-\d+\.html'
+    _VALID_URL = r'https?://(?:www\.)?bt\.no/(?:[^/]+/)+(?P<id>[^/]+)-\d+\.html'
     _TEST = {
         'url': 'http://www.bt.no/nyheter/lokalt/Kjemper-for-internatet-1788214.html',
         'md5': '2acbe8ad129b3469d5ae51b1158878df',
@@ -241,7 +241,7 @@ class BTArticleIE(InfoExtractor):
 class BTVestlendingenIE(InfoExtractor):
     IE_NAME = 'bt:vestlendingen'
     IE_DESC = 'Bergens Tidende - Vestlendingen'
-    _VALID_URL = r'http://(?:www\.)?bt\.no/spesial/vestlendingen/#!/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?bt\.no/spesial/vestlendingen/#!/(?P<id>\d+)'
     _TESTS = [{
         'url': 'http://www.bt.no/spesial/vestlendingen/#!/86588',
         'md5': 'd7d17e3337dc80de6d3a540aefbe441b',
diff --git a/youtube_dl/extractor/videott.py b/youtube_dl/extractor/videott.py
index 2cd36508a..0f798711b 100644
--- a/youtube_dl/extractor/videott.py
+++ b/youtube_dl/extractor/videott.py
@@ -14,7 +14,7 @@ class VideoTtIE(InfoExtractor):
     _WORKING = False
     ID_NAME = 'video.tt'
     IE_DESC = 'video.tt - Your True Tube'
-    _VALID_URL = r'http://(?:www\.)?video\.tt/(?:(?:video|embed)/|watch_video\.php\?v=)(?P<id>[\da-zA-Z]{9})'
+    _VALID_URL = r'https?://(?:www\.)?video\.tt/(?:(?:video|embed)/|watch_video\.php\?v=)(?P<id>[\da-zA-Z]{9})'
 
     _TESTS = [{
         'url': 'http://www.video.tt/watch_video.php?v=amd5YujV8',
diff --git a/youtube_dl/extractor/viidea.py b/youtube_dl/extractor/viidea.py
index 315984bf9..03b9f1353 100644
--- a/youtube_dl/extractor/viidea.py
+++ b/youtube_dl/extractor/viidea.py
@@ -15,7 +15,7 @@ from ..utils import (
 
 
 class ViideaIE(InfoExtractor):
-    _VALID_URL = r'''(?x)http://(?:www\.)?(?:
+    _VALID_URL = r'''(?x)https?://(?:www\.)?(?:
             videolectures\.net|
             flexilearn\.viidea\.net|
             presentations\.ocwconsortium\.org|
diff --git a/youtube_dl/extractor/vube.py b/youtube_dl/extractor/vube.py
index 149e36467..10ca6acb1 100644
--- a/youtube_dl/extractor/vube.py
+++ b/youtube_dl/extractor/vube.py
@@ -15,7 +15,7 @@ from ..utils import (
 class VubeIE(InfoExtractor):
     IE_NAME = 'vube'
     IE_DESC = 'Vube.com'
-    _VALID_URL = r'http://vube\.com/(?:[^/]+/)+(?P<id>[\da-zA-Z]{10})\b'
+    _VALID_URL = r'https?://vube\.com/(?:[^/]+/)+(?P<id>[\da-zA-Z]{10})\b'
 
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/vuclip.py b/youtube_dl/extractor/vuclip.py
index a6d9b5fee..eaa888f00 100644
--- a/youtube_dl/extractor/vuclip.py
+++ b/youtube_dl/extractor/vuclip.py
@@ -14,7 +14,7 @@ from ..utils import (
 
 
 class VuClipIE(InfoExtractor):
-    _VALID_URL = r'http://(?:m\.)?vuclip\.com/w\?.*?cid=(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://(?:m\.)?vuclip\.com/w\?.*?cid=(?P<id>[0-9]+)'
 
     _TEST = {
         'url': 'http://m.vuclip.com/w?cid=922692425&fid=70295&z=1010&nvar&frm=index.html',
diff --git a/youtube_dl/extractor/walla.py b/youtube_dl/extractor/walla.py
index 24efbd6e6..8b9488340 100644
--- a/youtube_dl/extractor/walla.py
+++ b/youtube_dl/extractor/walla.py
@@ -11,7 +11,7 @@ from ..utils import (
 
 
 class WallaIE(InfoExtractor):
-    _VALID_URL = r'http://vod\.walla\.co\.il/[^/]+/(?P<id>\d+)/(?P<display_id>.+)'
+    _VALID_URL = r'https?://vod\.walla\.co\.il/[^/]+/(?P<id>\d+)/(?P<display_id>.+)'
     _TEST = {
         'url': 'http://vod.walla.co.il/movie/2642630/one-direction-all-for-one',
         'info_dict': {
diff --git a/youtube_dl/extractor/wat.py b/youtube_dl/extractor/wat.py
index 37cf3d309..5227bb5ad 100644
--- a/youtube_dl/extractor/wat.py
+++ b/youtube_dl/extractor/wat.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class WatIE(InfoExtractor):
-    _VALID_URL = r'(?:wat:(?P<real_id>\d{8})|http://www\.wat\.tv/video/(?P<display_id>.*)-(?P<short_id>.*?)_.*?\.html)'
+    _VALID_URL = r'(?:wat:(?P<real_id>\d{8})|https?://www\.wat\.tv/video/(?P<display_id>.*)-(?P<short_id>.*?)_.*?\.html)'
     IE_NAME = 'wat.tv'
     _TESTS = [
         {
diff --git a/youtube_dl/extractor/wdr.py b/youtube_dl/extractor/wdr.py
index 65cab4069..31c904303 100644
--- a/youtube_dl/extractor/wdr.py
+++ b/youtube_dl/extractor/wdr.py
@@ -244,7 +244,7 @@ class WDRMobileIE(InfoExtractor):
 
 
 class WDRMausIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?wdrmaus\.de/(?:[^/]+/){,2}(?P<id>[^/?#]+)(?:/index\.php5|(?<!index)\.php5|/(?:$|[?#]))'
+    _VALID_URL = r'https?://(?:www\.)?wdrmaus\.de/(?:[^/]+/){,2}(?P<id>[^/?#]+)(?:/index\.php5|(?<!index)\.php5|/(?:$|[?#]))'
     IE_DESC = 'Sendung mit der Maus'
     _TESTS = [{
         'url': 'http://www.wdrmaus.de/aktuelle-sendung/index.php5',
diff --git a/youtube_dl/extractor/weiqitv.py b/youtube_dl/extractor/weiqitv.py
index e333ae345..3dafbeec2 100644
--- a/youtube_dl/extractor/weiqitv.py
+++ b/youtube_dl/extractor/weiqitv.py
@@ -6,7 +6,7 @@ from .common import InfoExtractor
 
 class WeiqiTVIE(InfoExtractor):
     IE_DESC = 'WQTV'
-    _VALID_URL = r'http://www\.weiqitv\.com/index/video_play\?videoId=(?P<id>[A-Za-z0-9]+)'
+    _VALID_URL = r'https?://www\.weiqitv\.com/index/video_play\?videoId=(?P<id>[A-Za-z0-9]+)'
 
     _TESTS = [{
         'url': 'http://www.weiqitv.com/index/video_play?videoId=53c744f09874f0e76a8b46f3',
diff --git a/youtube_dl/extractor/wimp.py b/youtube_dl/extractor/wimp.py
index fb0accac7..828c03dc3 100644
--- a/youtube_dl/extractor/wimp.py
+++ b/youtube_dl/extractor/wimp.py
@@ -5,7 +5,7 @@ from .youtube import YoutubeIE
 
 
 class WimpIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?wimp\.com/(?P<id>[^/]+)'
+    _VALID_URL = r'https?://(?:www\.)?wimp\.com/(?P<id>[^/]+)'
     _TESTS = [{
         'url': 'http://www.wimp.com/maruexhausted/',
         'md5': 'ee21217ffd66d058e8b16be340b74883',
diff --git a/youtube_dl/extractor/xbef.py b/youtube_dl/extractor/xbef.py
index 4ff99e5ca..e4a2baad2 100644
--- a/youtube_dl/extractor/xbef.py
+++ b/youtube_dl/extractor/xbef.py
@@ -5,7 +5,7 @@ from ..compat import compat_urllib_parse_unquote
 
 
 class XBefIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?xbef\.com/video/(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://(?:www\.)?xbef\.com/video/(?P<id>[0-9]+)'
     _TEST = {
         'url': 'http://xbef.com/video/5119-glamourous-lesbians-smoking-drinking-and-fucking',
         'md5': 'a478b565baff61634a98f5e5338be995',
diff --git a/youtube_dl/extractor/yam.py b/youtube_dl/extractor/yam.py
index 001ee17b6..63bbc0634 100644
--- a/youtube_dl/extractor/yam.py
+++ b/youtube_dl/extractor/yam.py
@@ -15,7 +15,7 @@ from ..utils import (
 
 class YamIE(InfoExtractor):
     IE_DESC = '蕃薯藤yam天空部落'
-    _VALID_URL = r'http://mymedia.yam.com/m/(?P<id>\d+)'
+    _VALID_URL = r'https?://mymedia.yam.com/m/(?P<id>\d+)'
 
     _TESTS = [{
         # An audio hosted on Yam
diff --git a/youtube_dl/extractor/ynet.py b/youtube_dl/extractor/ynet.py
index 869f3e819..2522551dc 100644
--- a/youtube_dl/extractor/ynet.py
+++ b/youtube_dl/extractor/ynet.py
@@ -9,7 +9,7 @@ from ..compat import compat_urllib_parse_unquote_plus
 
 
 class YnetIE(InfoExtractor):
-    _VALID_URL = r'http://(?:.+?\.)?ynet\.co\.il/(?:.+?/)?0,7340,(?P<id>L(?:-[0-9]+)+),00\.html'
+    _VALID_URL = r'https?://(?:.+?\.)?ynet\.co\.il/(?:.+?/)?0,7340,(?P<id>L(?:-[0-9]+)+),00\.html'
     _TESTS = [
         {
             'url': 'http://hot.ynet.co.il/home/0,7340,L-11659-99244,00.html',