这样的正则表达式怎么写

Question

前面还有个相同模块的
 <!-- Begin Cost Column Information -->
                            <td>
                            
                            <dl>
                             
                             
                             
                             
                             
                            <dt>
                                                           
                               <strong>310.95</strong>&nbsp;
                                
                                
                                
                         
                                
                           
                                
                             
                               
                               
                                 
                                 
                                    USD
                                 
                             
                                
                            
                         
                                
                                
                                
                               ^*
                                   
                            </dt>

Answer 1

[0-9]*\.[0-9]*我也是今天开始看的正则。不知道这个是不是你想要的？http://tool.chinaz.com/regex/
这个能够测试正则 

Answer 2

我就要具体匹配到这个数字,不要字符串中的其它数字
你是匹配这个html位置的这个数字？还是匹配直接要810.95这个数？

Answer 3

谢谢大家的关注 已在legendnan的写出的表达式中加上<strong></strong>匹配出来了，最后匹配到的数字只剩两个了