I have bought a chat script that is lacking a decent filter it can block common word ie ass but it wont block urls so I need for it to block all variations of url ie http://www.example.com, www.example.com, http://example.com where "example" is unknown as it could be any site with any extension. So I assume would need to be some sort of wildcard there. Now wildcard might be the wrong term buy hopefully you get the point. Script is not encoded it is open source. The script is yshout if you want to try out the demo and see what I mean.