PHP Regex for file/path

Question

What would be the php regex to match any one of the following:

privacy.html
privacy.htm
privacy
w3c/privacy.html
w3c/privacy.htm
w3c/privacy

thanks

JP

Answer 1

Try

(w3c/)?privacy(.htm(l)?)?

10char

Answer 2

This should work: ^[^\/]+(?:\/[^\/]+)?$