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<? $x = "jasldfnjks"; echo strlen($x); echo preg_match('~[0-9a-zA-ZäöüÄÖÜß&]{strlen($x)}~', $x); ?>
based on pAknG
Output for 5.4.34 - 7.1.0
100
Output for 4.3.0 - 5.4.32
<? $x = "jasldfnjks"; echo strlen($x); echo preg_match('~[0-9a-zA-ZäöüÄÖÜß&]{strlen($x)}~', $x); ?>