[youtube] Fix player ID display

youtube_dl/extractor/youtube.py

@@ -836,7 +836,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
                                     player_desc = 'flash player %s' % player_version
                                 else:
                                     player_version = self._search_regex(
-                                        r'html5player-(.+?)\.js', video_webpage,
+                                        r'html5player-([^/]+?)(?:/html5player)?\.js',
+                                        player_url,
                                         'html5 player', fatal=False)
                                     player_desc = u'html5 player %s' % player_version