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<?php preg_match_all('/\(([\d]+)\)/',$string,$matches); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $string in /in/lcqrM on line 2 Deprecated: preg_match_all(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/lcqrM on line 2 array(2) { [0]=> array(0) { } [1]=> array(0) { } }

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