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<?php $subject = 'AA BB DD '; $pattern = '/(([a-z]+) )+/i'; $result = preg_match_all($pattern, $subject, $matches); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> array(1) { [0]=> string(9) "AA BB DD " } [1]=> array(1) { [0]=> string(3) "DD " } [2]=> array(1) { [0]=> string(2) "DD" } }

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