URL:
http://www.regexr.com/Description: This website is very useful tool to learn Regular expressions in PHP. You can use two functions: Match and Replace. In first textbox on top you write regular expresion like:
[\w\d\.\s]*That's just example. And check global to find all matches because in PHP there is no match parameter for all expect function preg_match_all. I think it's very nice to try it out and learn =)
