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<?php $msg = "abcde12321312"; $txt = "/([a-z]+)/"; $res = preg_replace_callback($txt,function($m){ return $m; },$msg); print_r($res);
Output for git.master_jit, git.master, rfc.property-hooks
Warning: Array to string conversion in /in/64m04 on line 4 Array12321312

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