+ # http://www.bbc.co.uk/learningenglish/chinese/features/lingohack/ep-181227
+ group_id = self._search_regex(
+ r'<div[^>]+\bclass=["\']video["\'][^>]+\bdata-pid=["\'](%s)' % self._ID_REGEX,
+ webpage, 'group id', default=None)
+ if playlist_id:
+ return self.url_result(
+ 'https://www.bbc.co.uk/programmes/%s' % group_id,
+ ie=BBCCoUkIE.ie_key())
+