note 102049 rejected from function.preg-replace by danbrown

Note Submitter: cryptoncorp at gmail dot com ---- I have this code! ------------------------------------------------------------ <?php $amount = $_POST['amount']; // replace anything that's NOT 0-9 with "null" (nothing) $result=preg_replace('/[^0-9^A-Z^a-z-*&%$ ,;_!@.{}#]/', '<br/>', $amount); echo $result; ?> <form method="post" action=""> <input id="amount" name="amount" size="100" type="textbox" value="Driver,.;_-{}*&%$#[] Genius Professional Edition 10.0.0.526/Driver Genius Professional Edition 10.0.0.526.exe"> <input type="submit" value="Submit"> </form> ------------------------------------------------------------ Output ------------------------------------------------------------ Driver,.;_-{}*&%$# Genius Professional Edition 10.0.0.526 Driver Genius Professional Edition 10.0.0.526.exe ------------------------------------------------------------ The output i want ------------------------------------------------------------ Driver,.;_-{}*&%$#[] Genius Professional Edition 10.0.0.526 Driver Genius Professional Edition 10.0.0.526.exe ------------------------------------------------------------ Can someone help me with this! What i want is to add an exception for this []. But when i insert it directly into my code it did not work for me! Please help me with this!