<tr>
  <td align="center" height="10" bgcolor="#e2e2e2">2012-12-20 </td>
                                <td align="center" height="10" bgcolor="#e2e2e2">19:33:36</td>
                                <td align="center" height="10" bgcolor="#e2e2e2">已收件</td>
                                <td align="center" height="10" bgcolor="#e2e2e2">常州市</td>
                                <td align="center" height="10" >&nbsp;</td>
                                <td align="center" height="10" >&nbsp;</td>
                            </tr>
 
  <tr>
  <td align="center" height="10" bgcolor="#e2e2e2">2012-12-20 </td>
                                <td align="center" height="10" bgcolor="#e2e2e2">20:21:00</td>
                                <td align="center" height="10" bgcolor="#e2e2e2">快件在 <font color='red'>常州</font>,准备送往下一站<font color='red'>常州集散中心 </font></td>
                                <td align="center" height="10" bgcolor="#e2e2e2">常州市</td>
                                <td align="center" height="10" >&nbsp;</td>
                                <td align="center" height="10" >&nbsp;</td>
                            </tr>
 
  <tr>
  <td align="center" height="10" bgcolor="#e2e2e2">2012-12-20 </td>
                                <td align="center" height="10" bgcolor="#e2e2e2">23:34:37</td>
                                <td align="center" height="10" bgcolor="#e2e2e2">快件在 <font color='red'>常州集散中心 </font>,准备送往下一站<font color='red'>杭州集散中心 </font></td>
                                <td align="center" height="10" bgcolor="#e2e2e2">常州市</td>
                                <td align="center" height="10" >&nbsp;</td>
                                <td align="center" height="10" >&nbsp;</td>
                            </tr>
 
  <tr>
  <td align="center" height="10" bgcolor="#e2e2e2">2012-12-21 </td>
                                <td align="center" height="10" bgcolor="#e2e2e2">03:16:44</td>
                                <td align="center" height="10" bgcolor="#e2e2e2">快件在 <font color='red'>杭州集散中心 </font>,准备送往下一站<font color='red'>杭州集散中心 </font></td>
                                <td align="center" height="10" bgcolor="#e2e2e2">杭州市</td>
                                <td align="center" height="10" >&nbsp;</td>
                                <td align="center" height="10" >&nbsp;</td>
                            </tr>
 
 
 

解决方案 »

  1.   

    (?is)(?<=<(tr)>).*?(?=</\1>)
      

  2.   

    很简单的。<tr>[\s\S]+?</tr>
      

  3.   

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  4.   

      var txts = Regex.Matches(txt, "(?is)<tr>(.+?)</tr>").OfType<Match>().Select(x => x.Groups[1].Value);
                foreach (var item in txts)
                {
                    Console.WriteLine("匹配内容如下:");
                    Console.WriteLine(item);
                }
                Console.Read();
    效果如下: