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<?php preg_match_all("/.*(user1).*(user2).*(user3).*(user4).*(user5).*/", "user1 user2 user3 user4 <> user5", $matches); echo "<pre>"; print_r($matches); echo "</pre>";
Output for git.master, git.master_jit, rfc.property-hooks
<pre>Array ( [0] => Array ( [0] => user1 user2 user3 user4 <> user5 ) [1] => Array ( [0] => user1 ) [2] => Array ( [0] => user2 ) [3] => Array ( [0] => user3 ) [4] => Array ( [0] => user4 ) [5] => Array ( [0] => user5 ) ) </pre>

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