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Validating whether string contains llegal chars
Could someone please give me a code that will check if a string contains only numerical and alphabetical characacters in it..
ya know..
abcedfghijklmnopqrstuvwxyz
1234567890
$str = 'lkdsaglfkgslfkjagsd';
if (preg_match('/[^\\dA-Za-z]/', $str)) {
die('illegal characters!');
}
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