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Top » PHP » misc

alphanumeric chars and no whitespace
[regex]

 

// sample of allowing only alphanumeric chars and no whitespace
// to add it add space after 9
preg_replace("/[^a-z0-9]/si","",$string)

 

//conditional: returns true/false
if (preg_match("/[^a-z0-9]/si",$string)) echo 'something';