c# - Regular expression for youtube url -

what regular expression url ? in web application want validate url when user enters url in textbox.

url like: http://www.youtube.com/embed/owj0fns95xw

how this:

/^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/  

http://net.tutsplus.com/tutorials/other/8-regular-expressions-you-should-know/