regex youtube, mohon pencerahan para master

URL transforming
#5#~#True#~#^(https?\:\/\/)?((www\.)?youtube\.com|youtu\.?be)\/.+$#~#\1\2#~#False#~#True

save to cache
#4#~#True#~#^(https?\:\/\/)?((www\.)?youtube\.com|youtu\.?be)\/.+$#~##~#youtube.com

Dont up date
#5#~#True#~#^(https?\:\/\/)?((www\.)?youtube\.com|youtu\.?be)\/.+$#~##~##~#
#5#~#True#~#^((?:https??\/\/)?((?:www|m)\.)?((?:youtube\.com|youtu.be))(\/(?:[\w\-]+\?v=|embed\/|v\/)?)([\w\-]+)(\S+)?$#~##~##~#