[SOLVED] Is there a function that checks if there is a number or letter in a variable

[madspof]

Is there a function that checks if there is a number or letter in a variable. thnks madspof

 

[MmmVomit]

Regex to the rescue.

 

preg_match('/[A-Za-z0-9]/', $your_variable);

 

I'm not the best with regexes just yet, so that may not be 100% correct.

[darkfreaks]

try preg match