regex help please

Can someone that understands regex change this patter to work with with http or https?

http:\/\/www\.youtube\.com\/watch\?.*v=([a-z0-9-_]+)



Thanks

Code:

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https?:\/\/www\.youtube\.com\/watch\?.*v=([a-z0-9-_]+)

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Here you go. :)

Thats all? Just add the ?

Testing
https://www.youtube.com/watch?v=H96-TwrwY7M
http://www.youtube.com/watch?v=jJ5l5ls0hP4

Yep, you got it. :)