Find a link in URL (C# and VB.net)

I was looking for a regular expression for converting a web link on a string then convert them to a click-able link. This guy probably solved my problem. Thanks Man!

Link:

http://weblogs.asp.net/farazshahkhan/archive/2008/08/09/regex-to-find-url-within-text-and-make-them-as-link.aspx

Hope this helps ....