preg_match()

the php function preg_match()

http://www.codingforums.com/php/34709-preg_match-syntax.html

www.codingforums.com/php/34709-preg_match-syntax.html

This thread shows you clearly how to use preg_match() and explains the different switches.

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http://stackoverflow.com/questions/10201337/what-do-the-symbols-mean-in-preg-match

stackoverflow.com/questions/10201337/what-do-the-symbols-mea...

I have this expression in a code snippet i borrowed offline. It forces the new users to have a password that not only requires upper+lower+numbers but they must be in that order! If i enter lower+upper+numbers, it fails!

if ...

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