if video_url is None:
video_url = self._html_search_regex(
- r'"MediaContentUrl":"([^"]+)"', webpage, 'media content url', default=None)
+ r'MediaContentUrl["\']\s*:(["\'])(?P<url>(?:(?!\1).)+)\1',
+ webpage, 'video url', default=None, group='url')
if video_url is None:
video_url = self._html_search_meta(