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<?php $output = "Clean :this; [c<op=y of i>nv\al?id@ non AS]CII äóchar^acters."; $output = preg_replace('/[\x00-\x1F]|[\x21-\x2C]|[\x3A-\x40]|[\x5B-\x5E]|[\x7B-\x7D]|[\x80-\xBF]|[\x2B0-\x36F]|[\x2000-\x3BFF]|/','', $output); echo($output);

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