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<?php $name = 'setup_run'; if (preg_match('~^(setup|teardown)_?(file|run)?_?(.*)~i', $name, $matches)) { var_dump($matches); }
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> string(9) "setup_run" [1]=> string(5) "setup" [2]=> string(3) "run" [3]=> string(0) "" }

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