Hey friends,
This Function check any nonaplhanumric characters including spaces if string is valid then it will return 0 else it will return 1.
function fnValidateAlphNumricChars($string)
{
return preg_match("/[`_~!@#$%&,.:;'<>{}()=\/\"\/\*\/\-\/\^\/\+\/\|\/\/ ]/", $string);
}
$string = "121ERERewerr21121212";
print fnValidateAlphNumricChars($string);
OutPut = 0 #VALID STRING
$string = "121E RE $ Rewerr21121212";
print fnValidateAlphNumricChars($string);
OutPut = 1 #INVALID STRING
?>
