[extractor/mediaset] Improve _VALID_URL

Fixes https://github.com/yt-dlp/yt-dlp/issues/4141#issuecomment-1166521057

yt_dlp/extractor/ertgr.py

@@ -119,7 +119,7 @@ class ERTFlixCodenameIE(ERTFlixBaseIE):
 class ERTFlixIE(ERTFlixBaseIE):
     IE_NAME = 'ertflix'
     IE_DESC = 'ERTFLIX videos'
-    _VALID_URL = r'https?://www\.ertflix\.gr/(?:series|vod)/(?P<id>[a-z]{3}\.\d+)'
+    _VALID_URL = r'https?://www\.ertflix\.gr/(?:[^/]+/)?(?:series|vod)/(?P<id>[a-z]{3}\.\d+)'
     _TESTS = [{
         'url': 'https://www.ertflix.gr/vod/vod.173258-aoratoi-ergates',
         'md5': '6479d5e60fd7e520b07ba5411dcdd6e7',
@@ -171,6 +171,9 @@ class ERTFlixIE(ERTFlixBaseIE):
             'title': 'Το δίκτυο',
         },
         'playlist_mincount': 9,
+    }, {
+        'url': 'https://www.ertflix.gr/en/vod/vod.127652-ta-kalytera-mas-chronia-ep1-mia-volta-sto-feggari',
+        'only_matching': True,
     }]
 
     def _extract_episode(self, episode):

yt_dlp/extractor/mediaset.py

@@ -23,7 +23,7 @@ class MediasetIE(ThePlatformBaseIE):
                             (?:\w+\.)+mediaset\.it/
                             (?:
                                 (?:video|on-demand|movie)/(?:[^/]+/)+[^/]+_|
-                                player/index\.html\?.*?\bprogramGuid=
+                                player/(?:v\d+/)?index\.html\?.*?\bprogramGuid=
                             )
                     )(?P<id>[0-9A-Z]{16,})
                     '''
@@ -162,6 +162,9 @@ class MediasetIE(ThePlatformBaseIE):
     }, {
         'url': 'https://mediasetinfinity.mediaset.it/video/braveandbeautiful/episodio-113_F310948005000402',
         'only_matching': True,
+    }, {
+        'url': 'https://static3.mediasetplay.mediaset.it/player/v2/index.html?partnerId=wittytv&configId=&programGuid=FD00000000153323',
+        'only_matching': True,
     }]
 
     @staticmethod