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<?php $email = 'fuck-docomo.@gmail.com'; echo preg_match('/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/', $email) ? 'match' : 'unmatch';
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Unknown modifier '=' in /in/bCYDZ on line 3 unmatch

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