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<?php $str = 'dahazd %class% aiojdzn %attr% oij da %attr% eoijfze %attr% oizejj %class% iojzjf %class% oi oj%class%'; preg_match_all('/\%\w+\%/', $str, $data); var_dump($data); // preg_replace('', '', $str);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> array(7) { [0]=> string(7) "%class%" [1]=> string(6) "%attr%" [2]=> string(6) "%attr%" [3]=> string(6) "%attr%" [4]=> string(7) "%class%" [5]=> string(7) "%class%" [6]=> string(7) "%class%" } }

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