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@ 2014-10-09T09:18:38Z

<?php

$regex = "/^[äöüÄÖÜé]/i";

$str = '??übaé';

echo preg_replace($regex, '', $str);

Output
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preg_replace: documentation ( source)

preferences:dark modelive preview

31.47 ms | 402 KiB | 5 Q