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<?php $str="Look at this [website]{http://www.stackoverflow.com} or at this [page]{http://www.google.com}"; echo preg_replace('/\[(.*?)\]\{(.*?)\}/', "<a href='$2'>$1</a>", $str);
Output for git.master, git.master_jit, rfc.property-hooks
Look at this <a href='http://www.stackoverflow.com'>website</a> or at this <a href='http://www.google.com'>page</a>

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