请问这段内容怎么用正则 进行匹配

请教这段内容如何用正则 进行匹配

 

Username

 

 

Password

 

   

 

<script>function captchareload2(){<br />$("#captchaimglogin").attr('src','modules/captcha/captcha.php?r=login&x=34&y=75&z=119&?newtime=' + (new Date()).getTime());<br />}</script>

 

   
 

 

<script>function captchareload2(){<br />$("#captchaimglogin").attr('src','modules/captcha/captcha.php?r=login&x=34&y=75&z=119&?newtime=' + (new Date()).getTime());<br />}</script>

PHP code

 $s=  <div style="padding-bottom:5px">Username</div>  <div style="padding-bottom:5px"><input type="text" name="username" style="width:180px"></div>  <div style="padding-bottom:5px">Password</div>  <div style="padding-bottom:5px"><input type="password" name="password" style="width:180px"></div>      <div style="padding-bottom:5px">
<div style="padding:5px 0px"><a href="javascript:void(0);" onclick="captchareload2();"><img  src="modules/captcha/captcha.php?r=login" id="captchaimglogin" border="0" alt="请问这段内容怎么用正则 进行匹配" ></a></div>
<script>function captchareload2(){$("#captchaimglogin").attr('src','modules/captcha/captcha.php?r=login&x=34&y=75&z=119&?newtime=' + (new Date()).getTime());}</script>
</div>  <div style="padding-bottom:5px"><input type="text" name="captcha" id="captcha_login" style="width:180px"></div>      <div style="padding-bottom:5px"><input type="submit" name="login" value="Login" class="orange"></div>  html;preg_match('/<div style="padding-bottom:5px"><div style="padding:5px 0px">.+(?=javascript:void\(0\)).+/s',$s,$m);print_r($m);<div class="clear">
                 
              
              
        
            </div>
</div></div>

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