正则表达式问题

Question

<tr>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                日期
                            </td>
                            <td style="width: 100px">
                                2011-06-21
                            </td>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                天气
                            </td>
                            <td style="width: 100px">
                                晴
                            </td>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                温度
                            </td>
                            <td style="width: 100px">
                                30
                            </td>
                        </tr>
                        <tr>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                风级
                            </td>
                            <td style="width: 100px">
                                3
                            </td>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                微尘
                            </td>
                            <td style="width: 100px">
                                3.6
                            </td>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                白天
                            </td>
                            <td style="width: 100px">
                                5
                            </td>
                        </tr>
                        <tr>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                晚上
                            </td>
                            <td style="width: 100px">
                                6
                            </td>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                启动
                            </td>
                            <td style="width: 100px">
                                09:40
                            </td>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                报告人
                            </td>
                            <td style="width: 100px">
                                <font color="blue">
                                    张光</font>
                            </td>
                        </tr>
                        <tr>
                            <td style="width: 100px;" bgcolor="#83b5e6">
                                测试
                            </td>
                            <td style="width: 100px;">
                                <font color='#FF0000'> 王璐</font>
                            </td>
                            <td style="width: 100px;" bgcolor="#83b5e6">
                                指挥
                            </td>
                            <td colspan="3">
                                <font color='#FF0000'>李明(A)</font>(1)
                            </td>
                        </tr>
                        <tr>
                            <td style="width: 100px;" bgcolor="#83b5e6">
                                导师
                            </td>
                            <td colspan="5">
                                 <font color='#00FF00'> 马丽</font> <font color='#FF0000'> 张丹</font> <font color='#FF0000'> 卢轩</font>
                            </td>
                        </tr>
                        <tr>
                            <td style="width: 100px" bgcolor="#83b5e6">
                                同事
                            </td>
                            <td colspan="5">
                               张丹阳 
                            </td>
                        </tr>
                        <tr>
                            <td style="width: 100px;" bgcolor="#83b5e6">
                                计划时间
                            </td>
                            <td>
                                
                                <span id="PrepareStew1_Repeater1__ctl1_TxtWater">1/2</span>
                            </td>
                            <td colspan="4">
                            </td>
                        </tr>
                        <tr>
                            <td height="20px" colspan="6" style="color: Red">
                                注：保持安静。
                            </td>
                        </tr>
请问想把以上td中的内容匹配出来，有什么高效的正则表达式吗

Answer 1

<!DOCTYPE HTML>
<html>
<head>
<meta charset="gb2312" />
<title></title>
<style>
</style>
</head>
<body>
<table>
<tr>
  <td style="width: 100px" bgcolor="#83b5e6">
  日期
  </td>
  <td style="width: 100px">
  2011-06-21
  </td>
  <td style="width: 100px" bgcolor="#83b5e6">
  天气
  </td>
  <td style="width: 100px">
  晴
  </td>
  <td style="width: 100px" bgcolor="#83b5e6">
  温度
  </td>
  <td style="width: 100px">
  30
  </td>
  </tr>
  <tr>
  <td style="width: 100px" bgcolor="#83b5e6">
  风级
  </td>
  <td style="width: 100px">
  3
  </td>
  <td style="width: 100px" bgcolor="#83b5e6">
  微尘
  </td>
  <td style="width: 100px">
  3.6
  </td>
  <td style="width: 100px" bgcolor="#83b5e6">
  白天
  </td>
  <td style="width: 100px">
  5
  </td>
  </tr>
  <tr>
  <td style="width: 100px" bgcolor="#83b5e6">
  晚上
  </td>
  <td style="width: 100px">
  6
  </td>
  <td style="width: 100px" bgcolor="#83b5e6">
  启动
  </td>
  <td style="width: 100px">
  09:40
  </td>
  <td style="width: 100px" bgcolor="#83b5e6">
  报告人
  </td>
  <td style="width: 100px">
  <font color="blue">
  张光</font>
  </td>
  </tr>
  <tr>
  <td style="width: 100px;" bgcolor="#83b5e6">
  测试
  </td>
  <td style="width: 100px;">
  <font color='#FF0000'> 王璐</font>
  </td>
  <td style="width: 100px;" bgcolor="#83b5e6">
  指挥
  </td>
  <td colspan="3">
  <font color='#FF0000'>李明(A)</font>(1)
  </td>
  </tr>
  <tr>
  <td style="width: 100px;" bgcolor="#83b5e6">
  导师
  </td>
  <td colspan="5">
  <font color='#00FF00'> 马丽</font> <font color='#FF0000'> 张丹</font> <font color='#FF0000'> 卢轩</font>
  </td>
  </tr>
  <tr>
  <td style="width: 100px" bgcolor="#83b5e6">
  同事
  </td>
  <td colspan="5">
  张丹阳  
  </td>
  </tr>
  <tr>
  <td style="width: 100px;" bgcolor="#83b5e6">
  计划时间
  </td>
  <td>
    
  <span id="PrepareStew1_Repeater1__ctl1_TxtWater">1/2</span>
  </td>
  <td colspan="4">
  </td>
  </tr>
  <tr>
  <td height="20px" colspan="6" style="color: Red">
  注：保持安静。
  </td>
  </tr>
  </table>
<script>
function $(el){
return typeof el == 'string' ? document.getElementById(el) : el;
}
function $t(name, cot){
cot = cot || document;
return cot.getElementsByTagName(name);
}
var a = '';
var o = $t('td');
for(var i = 0, len = o.length; i < len; i++){
var t = o[i];
t = t.innerText || t.textContent || '';
a += t + '\n'
}
alert( a )
</script>
</body>
</html>楼主 这样试试呢

Answer 2

非常感谢，其实我是想问正则表达式怎么写，呵呵。我写的都是些<td.*?>(.*?)</td>之类的，太繁琐了，有没有简短高效的正则

Answer 3

太繁琐？ 能匹配到就行了。/<td[^>]*>([\s\S]*?)<\/td>/gi

Answer 4

<td\s*[^>]*>(.*?)</td>
其实这样是最简单的了。因为还没考虑他到底是哪个table的，还没加特定的id或者class