Regular expression to find URLs within a string

Question

Does anyone know of a regular expression I could use to find URLs within a string? I\'ve found a lot of regular expressions on Google for determining if an entire string is

Answer 1

This is the one I use

(http|ftp|https)://([\w_-]+(?:(?:\.[\w_-]+)+))([\w.,@?^=%&:/~+#-]*[\w@?^=%&/~+#-])?

Works for me, should work for you too.