3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vhost ='Allow from 127.0.0.1'; $matches = []; preg_match('/^Allow from (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/', $vhost, $matches); var_dump($matches);

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34.11 ms | 402 KiB | 5 Q