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Regex to ban password containing userid


oracle259

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ok i read up on preg_match but the php manual recommends using strpos as it is faster. So let me know if this code would surffice:

<?php
$password = 'p.oracle259-ender';
$userid  = 'oracle259';
$inpass = strpos($password, $userid);

if ($incheck === true) {
  echo "Error: Sorry password cannot contain your set userid'";
} else {
  encrypt password
  make password DB safe
  insert password into DB
}
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