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<?php preg_match('/.(.)./', 'abc', $m); var_dump($m); preg_match('/(?n).(.)./', 'abc', $m); var_dump($m);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(3) "abc" [1]=> string(1) "b" } array(1) { [0]=> string(3) "abc" }

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