@ -233,7 +233,7 @@ class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
def _process_page(self, content):
for playlist_id in re.findall(r'href="/?playlist\?list=(.+?)"', content):
for playlist_id in set(re.findall(r'href="/?playlist\?list=([0-9A-Za-z-_]{10,})"', content)):
yield self.url_result(
'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')