[EMAIL PROTECTED] (Joshua E Minnie) wrote:

 > Does anybody know of a good way to make sure that a string contains ONLY
 > certain characters.  I tried using
 > ereg("[~`!@#$%^&*(){}-+=|\\/.,<>'\":;\[\]]", $string); but I get parse
 > errors.  Besides that I only want the characters A-Za-z0-9_ in $string.  Is
 > there is simpler way to ensure this rather than checking to see if any of
 > the characters I don't want are in there?

well to correct the parse error you prolly want to escape these chars:

(){} to \(\)\{\}

maybe others, cant see any though.

Henrik Hansen

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