如何用正则表达式提取网页源文件内容
源文件是:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<div class="main">
<div style="display:none;" id="ScriptLoader"></div>
<div class="timeline" id="ruler"></div>
</div>
<table class="datatbl" id="datatbl">
<thead>
<tr>
<th style="width:14%;">成交时间</th>
<td style="width:12%;">成交价</td>
<td style="width:14%;">涨跌幅</td>
<td style="width:17%;">价格变动</td>
<td style="width:14%;">成交量(手)</td>
<td style="width:15%;">成交额(元)</td>
<th style="width:14%;">性质</th>
</tr>
</thead>
<tbody>
<tr ><th>09:58:58</th><td>16.79</td><td>+10.03%</td><td>--</td><td>30</td><td>50,370</td><th><h6>卖盘</h6></th></tr>
<tr class="medium"><th>09:58:53</th><td>16.79</td><td>+10.03%</td><td>--</td><td>91</td><td>152,789</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:58:43</th><td>16.79</td><td>+10.03%</td><td>--</td><td>7</td><td>11,753</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:58:33</th><td>16.79</td><td>+10.03%</td><td>--</td><td>4</td><td>6,716</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:58:28</th><td>16.79</td><td>+10.03%</td><td>--</td><td>1</td><td>1,679</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:58:23</th><td>16.79</td><td>+10.03%</td><td>--</td><td>3</td><td>5,037</td><th><h6>卖盘</h6></th></tr>
<tr class="medium"><th>09:58:03</th><td>16.79</td><td>+10.03%</td><td>--</td><td>100</td><td>167,900</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:57:43</th><td>16.79</td><td>+10.03%</td><td>--</td><td>20</td><td>33,580</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:57:33</th><td>16.79</td><td>+10.03%</td><td>--</td><td>30</td><td>50,370</td><th><h6>卖盘</h6></th></tr>
<tr class="medium"><th>09:57:23</th><td>16.79</td><td>+10.03%</td><td>--</td><td>176</td><td>295,504</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:57:18</th><td>16.79</td><td>+10.03%</td><td>--</td><td>5</td><td>8,395</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:57:13</th><td>16.79</td><td>+10.03%</td><td>--</td><td>1</td><td>1,679</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:57:08</th><td>16.79</td><td>+10.03%</td><td>--</td><td>3</td><td>5,037</td><th><h6>卖盘</h6></th></tr>
<tr class="medium"><th>09:57:03</th><td>16.79</td><td>+10.03%</td><td>--</td><td>70</td><td>117,530</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:56:53</th><td>16.79</td><td>+10.03%</td><td>--</td><td>10</td><td>16,790</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:56:38</th><td>16.79</td><td>+10.03%</td><td>--</td><td>40</td><td>67,160</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:56:23</th><td>16.79</td><td>+10.03%</td><td>--</td><td>30</td><td>50,370</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:56:18</th><td>16.79</td><td>+10.03%</td><td>--</td><td>4</td><td>6,716</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:56:08</th><td>16.79</td><td>+10.03%</td><td>--</td><td>56</td><td>94,024</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:56:03</th><td>16.79</td><td>+10.03%</td><td>--</td><td>10</td><td>16,790</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:55:58</th><td>16.79</td><td>+10.03%</td><td>--</td><td>27</td><td>45,333</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:55:53</th><td>16.79</td><td>+10.03%</td><td>--</td><td>2</td><td>3,358</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:55:33</th><td>16.79</td><td>+10.03%</td><td>--</td><td>1</td><td>1,679</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:55:28</th><td>16.79</td><td>+10.03%</td><td>--</td><td>5</td><td>8,395</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:54:53</th><td>16.79</td><td>+10.03%</td><td>--</td><td>47</td><td>78,913</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:54:48</th><td>16.79</td><td>+10.03%</td><td>--</td><td>7</td><td>11,753</td><th><h6>卖盘</h6></th></tr>
<tr class="medium"><th>09:54:33</th><td>16.79</td><td>+10.03%</td><td>--</td><td>63</td><td>105,777</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:54:18</th><td>16.79</td><td>+10.03%</td><td>--</td><td>10</td><td>16,790</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:54:13</th><td>16.79</td><td>+10.03%</td><td>--</td><td>4</td><td>6,716</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:54:08</th><td>16.79</td><td>+10.03%</td><td>--</td><td>5</td><td>8,395</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:54:03</th><td>16.79</td><td>+10.03%</td><td>--</td><td>10</td><td>16,790</td><th><h6>卖盘</h6></th></tr>
<tr class="medium"><th>09:53:58</th><td>16.79</td><td>+10.03%</td><td>--</td><td>67</td><td>112,493</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:53:48</th><td>16.79</td><td>+10.03%</td><td>--</td><td>31</td><td>52,049</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:53:33</th><td>16.79</td><td>+10.03%</td><td>--</td><td>3</td><td>5,037</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:53:28</th><td>16.79</td><td>+10.03%</td><td>--</td><td>42</td><td>70,518</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:53:03</th><td>16.79</td><td>+10.03%</td><td>--</td><td>37</td><td>62,123</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:52:58</th><td>16.79</td><td>+10.03%</td><td>--</td><td>10</td><td>16,790</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:52:48</th><td>16.79</td><td>+10.03%</td><td>--</td><td>40</td><td>67,160</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:52:38</th><td>16.79</td><td>+10.03%</td><td>--</td><td>16</td><td>26,864</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:52:33</th><td>16.79</td><td>+10.03%</td><td>--</td><td>13</td><td>21,827</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:52:18</th><td>16.79</td><td>+10.03%</td><td>--</td><td>16</td><td>26,864</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:52:08</th><td>16.79</td><td>+10.03%</td><td>--</td><td>10</td><td>16,790</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:51:58</th><td>16.79</td><td>+10.03%</td><td>--</td><td>7</td><td>13,130</td><th><h6>卖盘</h6></th></tr>
<tr class="medium"><th>09:51:43</th><td>16.79</td><td>+10.03%</td><td>--</td><td>60</td><td>100,740</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:51:38</th><td>16.79</td><td>+10.03%</td><td>--</td><td>5</td><td>8,395</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:51:33</th><td>16.79</td><td>+10.03%</td><td>--</td><td>34</td><td>57,086</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:51:23</th><td>16.79</td><td>+10.03%</td><td>--</td><td>2</td><td>3,358</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:51:18</th><td>16.79</td><td>+10.03%</td><td>--</td><td>7</td><td>11,753</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:51:08</th><td>16.79</td><td>+10.03%</td><td>--</td><td>5</td><td>8,395</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:51:03</th><td>16.79</td><td>+10.03%</td><td>--</td><td>16</td><td>26,864</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:50:58</th><td>16.79</td><td>+10.03%</td><td>--</td><td>2</td><td>3,358</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:50:53</th><td>16.79</td><td>+10.03%</td><td>--</td><td>7</td><td>11,753</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:50:43</th><td>16.79</td><td>+10.03%</td><td>--</td><td>59</td><td>99,061</td><th><h6>卖盘</h6></th></tr>
<tr ><th>09:50:38</th><td>16.79</td><td>+10.03%</td><td>--</td><td>26</td><td>43,654</td><th><h6>卖盘</h6></th></tr>
</tbody>
</table>
<div style="height:40px;line-height:40px;text-align:right;padding-right:10px;color:#4F4F4F;">明细下载(今天成交明细晚七点以后提供下载)</div>
</div>
.......
}
main();
generateNav();
//]]>
</script>
</html>
怎么在c++ builder 6中用正则表达式提取下面内容:
从<tbody>到</tbody>中间的那一大段。
各位大哥大姐请帮忙!