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<?php $inputP = '[payer_id=1]'; $input = '[payer_id=1] [ST#3434343] [category_id=12]'; $output = preg_match("/(_*)/", $inputP, $matches); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(0) "" [1]=> string(0) "" }

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