php正则连接中文本程序

$htm = "<a href=&#39;http://www.php100.net&#39;>test1</a><br />" .
          "<a href=&#39;http://www.php100.net&#39;>test2</a><br />" .
          "<a href=&#39;http://www.php100.net&#39;>test3</a><br />" .
          "<a href=&#39;http://www.php100.net&#39;>test4</a><br />" .
          "<a href=&#39;http://www.php100.net&#39;>test5</a><br />";

   echo $htm . "<br />";
   echo stripthetag($htm);

function stripthetag($link) {

   return (preg_replace(&#39;@<[/!]*?[^<>]*?>@si&#39;, &#39; &#39;, $link));
}