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<?php $str = "Ref ID =={1234} [201] (text message)"; preg_match_all("/[{|\[|\(](.*?)[\]|\)\}]/", $str, $matches); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(3) { [0]=> string(6) "{1234}" [1]=> string(5) "[201]" [2]=> string(14) "(text message)" } [1]=> array(3) { [0]=> string(4) "1234" [1]=> string(3) "201" [2]=> string(12) "text message" } }

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