diff --git a/yt_dlp/extractor/awaan.py b/yt_dlp/extractor/awaan.py
index 3a7700cd4..822136dfb 100644
--- a/yt_dlp/extractor/awaan.py
+++ b/yt_dlp/extractor/awaan.py
@@ -19,7 +19,7 @@ from ..utils import (
 
 
 class AWAANIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?(?:awaan|dcndigital)\.ae/(?:#/)?show/(?P<show_id>\d+)/[^/]+(?:/(?P<video_id>\d+)/(?P<season_id>\d+))?'
+    _VALID_URL = r'https?://(?:www\.)?(?:awaan|dcndigital)\.ae/(?:#/)?show/(?P<show_id>\d+)/[^/]+(?:/(?P<id>\d+)/(?P<season_id>\d+))?'
 
     def _real_extract(self, url):
         show_id, video_id, season_id = re.match(self._VALID_URL, url).groups()
diff --git a/yt_dlp/extractor/crunchyroll.py b/yt_dlp/extractor/crunchyroll.py
index d6c3f4f93..ec76ad1b2 100644
--- a/yt_dlp/extractor/crunchyroll.py
+++ b/yt_dlp/extractor/crunchyroll.py
@@ -120,7 +120,7 @@ class CrunchyrollBaseIE(InfoExtractor):
 
 class CrunchyrollIE(CrunchyrollBaseIE, VRVIE):
     IE_NAME = 'crunchyroll'
-    _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.(?:com|fr)/(?:media(?:-|/\?id=)|(?:[^/]*/){1,2}[^/?&]*?)(?P<video_id>[0-9]+))(?:[/?&]|$)'
+    _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.(?:com|fr)/(?:media(?:-|/\?id=)|(?:[^/]*/){1,2}[^/?&]*?)(?P<id>[0-9]+))(?:[/?&]|$)'
     _TESTS = [{
         'url': 'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
         'info_dict': {
@@ -413,7 +413,7 @@ Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('video_id')
+        video_id = mobj.group('id')
 
         if mobj.group('prefix') == 'm':
             mobile_webpage = self._download_webpage(url, video_id, 'Downloading mobile webpage')
diff --git a/yt_dlp/extractor/metacafe.py b/yt_dlp/extractor/metacafe.py
index 9e92416d1..6366028d2 100644
--- a/yt_dlp/extractor/metacafe.py
+++ b/yt_dlp/extractor/metacafe.py
@@ -19,7 +19,7 @@ from ..utils import (
 
 
 class MetacafeIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?metacafe\.com/watch/(?P<video_id>[^/]+)/(?P<display_id>[^/?#]+)'
+    _VALID_URL = r'https?://(?:www\.)?metacafe\.com/watch/(?P<id>[^/]+)/(?P<display_id>[^/?#]+)'
     _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/yt_dlp/extractor/sina.py b/yt_dlp/extractor/sina.py
index 60f2dd053..408311418 100644
--- a/yt_dlp/extractor/sina.py
+++ b/yt_dlp/extractor/sina.py
@@ -18,7 +18,7 @@ from ..utils import (
 class SinaIE(InfoExtractor):
     _VALID_URL = r'''(?x)https?://(?:.*?\.)?video\.sina\.com\.cn/
                         (?:
-                            (?:view/|.*\#)(?P<video_id>\d+)|
+                            (?:view/|.*\#)(?P<id>\d+)|
                             .+?/(?P<pseudo_id>[^/?#]+)(?:\.s?html)|
                             # This is used by external sites like Weibo
                             api/sinawebApi/outplay.php/(?P<token>.+?)\.swf
@@ -58,7 +58,7 @@ class SinaIE(InfoExtractor):
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
 
-        video_id = mobj.group('video_id')
+        video_id = mobj.group('id')
         if not video_id:
             if mobj.group('token') is not None:
                 # The video id is in the redirected url