+ vid = self._search_regex(
+ r'videoId["\']\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1', webpage,
+ 'video id', fatal=None, group='value')
+ in_key = self._search_regex(
+ r'inKey["\']\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1', webpage,
+ 'key', default=None, group='value')
+
+ if not vid or not in_key: