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<?php $pat = '/.*【(.*)】.*/'; $content = '我发布了一个车品【京AAAAAA】，快来看看吧'; preg_match_all($pat, $content, $keywords); var_dump($keywords);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(1) { [0]=> string(57) "我发布了一个车品【京AAAAAA】，快来看看吧" } [1]=> array(1) { [0]=> string(9) "京AAAAAA" } }

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