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<?php $txt = "Testando se essa pescaria é valida @ju1lio.leao, se não for aciona @alycianne. Importante deixar @mirian ciente. E a @simone.akemi de sobreaviso."; $pattern = "/@(?:[a-z0-9-]+\.)*[a-z0-9]+/"; preg_match_all($pattern, $txt, $matches); print_r($matches[0]);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => @ju1lio.leao [1] => @alycianne [2] => @mirian [3] => @simone.akemi )

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