[NovaEmbed] Fix extractor (#1814)

Authored by: std-move

yt_dlp/extractor/nova.py

@@ -54,7 +54,8 @@ class NovaEmbedIE(InfoExtractor):
 
         player = self._parse_json(
             self._search_regex(
-                r'Player\.init\s*\([^,]+,(?P<cndn>\s*\w+\s*\?)?\s*(?P<json>{(?(cndn).+?|.+)})\s*(?(cndn):|,\s*{.+?}\s*\)\s*;)',
+                (r'(?:replacePlaceholders.*?:\s*)?replacePlaceholders\s*\(\s*(?P<json>{.*})\s*\)(?:\s*\))?\s*,',
+                    r'Player\.init\s*\([^,]+,(?P<cndn>\s*\w+\s*\?)?\s*(?P<json>{(?(cndn).+?|.+)})\s*(?(cndn):|,\s*{.+?}\s*\)\s*;)'),
                 webpage, 'player', default='{}', group='json'), video_id, fatal=False)
         if player:
             for format_id, format_list in player['tracks'].items():