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<?php $subject = "3rd from last"; preg_match('~^(?P<index>([0-9]+))rd|st from (?P<position>(last|end|start|beginning)+)$~', $subject, $matches); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> string(3) "3rd" ["index"]=> string(1) "3" [1]=> string(1) "3" [2]=> string(1) "3" }

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