匹配字符串解决办法

匹配字符串
如何返回url呢？？？

传入字符串：

HTML code

<!--

Code highlighting produced by Actipro CodeHighlighter (freeware)
http://www.CodeHighlighter.com/

--><a href="http://www.macaucentral.com/dev/index.php/beauty-content/6579-celina-beauty-centre">莎莉娜美容中心 Celina ...</a>

返回字符串

HTML code

<!--

Code highlighting produced by Actipro CodeHighlighter (freeware)
http://www.CodeHighlighter.com/

-->http://www.macaucentral.com/dev/index.php/beauty-content/6579-celina-beauty-centre

------解决方案--------------------

PHP code

<?php $str='<a href="http://www.macaucentral.com/dev/index.php/beauty-content/6579-celina-beauty-centre">莎莉娜美容中心 Celina ...';
$pattern='/<a>]*href="([^"\']*)"/';
preg_match($pattern,$str,$matchs);
print_r($matchs);
<br><font color="#e78608">------解决方案--------------------</font><br>
preg_match('/href="([^"]*)"/',$str,$arr);<br>echo $arr[1]; <div class="clear">
                 
              
              
        
            </div></a>