[PHP] regexps

[Kurth Bemis]

i need to find out if a string (user imputed) conatins numbers.  I want 
only a-zA-Z to be in a field.  (their name for example....and city)...i 
have the following however my regexps are VERY weak as i am a beginner.

function validatetext($text){
                if      (is_string($text)== 1){
                        return "good";
                }else{
                        return "bad";
                }
}

~kurth


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