关于正则问题

Question

<td align="center" nowrap="nowrap"><img src="images/view.gif" alt="○" width="16" height="16" /><a href="javascript:urll('czshow.php?id=20814666');" class="rent">查看详情</a></td>怎么用正则取到czshow.php?id=20814666呢
小弟才疏学浅，谢谢大哥们谁能帮下。

Answer 1

<tr bgcolor="#ECECEC">
                  <td height="22"><input name="chkCollect" type="checkbox" id="chkCollect" value="20882168"  /></td>
                  <td>虹口</td>
                  <td>辉河路，近运光路</td>
                  <td align="center" nowrap="nowrap">写字楼</td>
                  <td align="center">一般</td>
                  <td align="center" nowrap="nowrap">1室0厅</td>
                  <td align="center">15</td>
                  <td align="center">3/4</td>
                  <td align="center">600</td>
                  <td align="center">2007-07-02</td>
                  <td align="center" nowrap="nowrap"><img src="images/view.gif" alt="○" width="16" height="16" /><a href="javascript:urll('czshow.php?id=20882168');" class="rent">查看详情</a></td>
                </tr>
                                <tr bgcolor="#F9F9F9">
                  <td height="22"><input name="chkCollect" type="checkbox" id="chkCollect" value="20899089"  /></td>
                  <td>普陀</td>
                  <td>中山北路3064号绿洲广场（可注册）</td>
                  <td align="center" nowrap="nowrap">写字楼</td>
                  <td align="center">一般</td>
                  <td align="center" nowrap="nowrap">1室0厅</td>
                  <td align="center">60</td>
                  <td align="center">16/28</td>
                  <td align="center">800</td>
                  <td align="center">2007-06-27</td>
                  <td align="center" nowrap="nowrap"><img src="images/view.gif" alt="○" width="16" height="16" /><a href="javascript:urll('czshow.php?id=20899089');" class="rent">查看详情</a></td>
                </tr>
                                <tr bgcolor="#ECECEC">
                  <td height="22"><input name="chkCollect" type="checkbox" id="chkCollect" value="20904411"  /></td>
                  <td>虹口</td>
                  <td>广灵</td>
                  <td align="center" nowrap="nowrap">写字楼</td>
                  <td align="center">一般</td>
                  <td align="center" nowrap="nowrap">1室1厅</td>
                  <td align="center">56</td>
                  <td align="center">3/4</td>
                  <td align="center">1500</td>
                  <td align="center">2007-06-24</td>
                  <td align="center" nowrap="nowrap"><img src="images/view.gif" alt="○" width="16" height="16" /><a href="javascript:urll('czshow.php?id=20904411');" class="rent">查看详情</a></td>
                </tr>
怎么用正则取到czshow.php?id=20814666这种格式的内容呢
小弟才疏学浅，谢谢大哥们谁能帮下。