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<?php preg_match("/([0-9]+,{1})+([^,])?[0-9]+/", '1,2,3,24', $matches); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> string(8) "1,2,3,24" [1]=> string(2) "3," [2]=> string(1) "2" }

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