[PHP] preg_replace

[Ben Miller]

I bought PHP & MySQL for DUMMIES and it shows me how to use special 
characters for pattern matching and I've figured out the basics of using 
preg_replace to replace pattern matches.  What I am having trouble with, 
though, is figuring out how to replace anything that does not match the 
pattern.  For example, I want to replace anything that is NOT an 
alphanumeric character.  Any help would be appreciated.  Thanks.

Ben 


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