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<?php $str = "dangers:(cloud1条 OR deep1条)"; var_dump(preg_match_all('/((?<key>[^\:\(\)]+)\s*\:\s*\((?<lval>[^\(\)]+)\))?/', $str, $m)); var_dump($m['key'], $m['lval']);
Output for git.master, git.master_jit, rfc.property-hooks
int(2) array(2) { [0]=> string(7) "dangers" [1]=> string(0) "" } array(2) { [0]=> string(21) "cloud1条 OR deep1条" [1]=> string(0) "" }

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