Youtube

Type name	example
Youtube
	https://www.youtube.com/watch?v=9bZkp7q19f0
	HTTPS://www.youtube.com/watch?v=9bZkp7q19f0
	HTTPS://www.youtube.com/watch?v=9bZkp7q19f0
	https://WWW.youtube.com/watch?feature=something&v=videoid1&embed=something
	www.youtube.com/watch?feature=something&v=videoid2&embed=something
	Https://Www.youtube.com/watch?v=videoid1
	youtube.com/watch?v=videoid4
	https://www.youtube.com/channel/channelid1
	https://www.youtube.com/user/username1
	https://www.youtube.com/results?search_query=search+query1
	youtube.com/results?search_query=search+query4

import com.github.gekomad.regexcollection.Youtube
assert(isValid[Youtube]("HTTPS://www.youtube.com/watch?v=9bZkp7q19f0") == true)