+ (?:
+ entry_?[Ii]d|
+ (?P<q2>["'])entry_?[Ii]d(?P=q2)
+ )\s*:\s*|
+ \[\s*(?P<q2_1>["'])entry_?[Ii]d(?P=q2_1)\s*\]\s*=\s*
+ )
+ (?P<q3>["'])(?P<id>(?:(?!(?P=q3)).)+)(?P=q3)
+ ''', webpage) or
+ re.search(
+ r'''(?xs)
+ <iframe[^>]+src=(?P<q1>["'])
+ (?:https?:)?//(?:www\.)?kaltura\.com/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)
+ (?:(?!(?P=q1)).)*
+ [?&]entry_id=(?P<id>(?:(?!(?P=q1))[^&])+)
+ (?P=q1)
+ ''', webpage)
+ )