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<?php echo preg_replace('/[^\w~!$^().-]+/u', '', 'login;№н гин4123').PHP_EOL; // А теперь все вхождения if (preg_match_all('/[^\w~!$^().-]+/u', 'login;№н гин4123', $matches)) { var_dump($matches[0]); }
Output for git.master, git.master_jit, rfc.property-hooks
loginнгин4123 array(2) { [0]=> string(4) ";№" [1]=> string(1) " " }

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