怎么使用js的正则表达式来定位特定内容

Question

页面内容是:  
<div class="main_1 banner">  
<div class="text_num">  
<div class="text1">abc  </div>  
<div class="text3">97759  </div>  
<div class="text2">322  </div>  
<div class="text3">977  </div>  js代码:  
<script language="javascript">  
  var   oHttp=new   ActiveXObject("Microsoft.XMLHTTP")     
  oHttp.open("get","2.htm",false);     
  oHttp.send();     
  var stringObj=oHttp.responseText;  
  var num=stringObj.replace(/<div class=\"text3\">(\d*)</div>/,"$1");   
  document.write(num);   
</script>  
试下．

Answer 1

不对啊,结果还是abc  
97759  
322  
977  

Answer 2

sorry:
页面内容是:   
<div class="main_1 banner">   
<div class="text_num">   
<div class="text1">abc   </div>   
<div class="text3">97759   </div>   
<div class="text2">322   </div>   
<div class="text3">977   </div>   js代码:   
<script language="javascript">   
  var   oHttp=new   ActiveXObject("Microsoft.XMLHTTP")      
  oHttp.open("get","2.htm",false);      
  oHttp.send();      
  var stringObj=oHttp.responseText;   
  var num=stringObj.replace(/\<div class="text3"\>(\d*)\<\/div\>/,"$1");    
  document.write(num);    
</script>   
试下． 

Answer 3

myvicy :谢谢你,
可是,唉,还是老样子啊~,还是不行的

Answer 4

<script language="javascript">    
  var   oHttp=new   ActiveXObject("Microsoft.XMLHTTP")       
  oHttp.open("get","2.htm",false);       
  oHttp.send();       
  var stringObj=oHttp.responseText;    
  var num=stringObj.replace(/.*?(<div class=\"text3\">)(\d+)(.*?)(<\/div>).*/,"$2");     
  document.write(num);     
</script>  

Answer 5

谢谢你一直帮我了~唉,也许是思路一开始就不对吧,出来的结果还是:
abc   
97759   
322   
977  分数全给你了,再次感谢~