我想用正则表达式取<tr>和</tr>之间的内容

Question

我想用正则表达式取<tr>和</tr>之间的内容
<tr>                <td bgcolor="#CCCCCC" align="center" width="53"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">13.94</font></td>                
 
<td bgcolor="#CCCCCC" align="center" width="77"><img src="../images/down.gif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0.06</font></td>
 
                <td bgcolor="#CCCCCC" align="center" width="77">
                  <p align="center"><img src="../images/down.gif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0.429</font></p>
                </td>
...
</tr>

Answer 1

(?<=<tr>)(.*?)(?=</tr>)

Answer 2

static void Main(string[] args)
            {
                string str = @"<tr>  <td bgcolor=""#CCCCCC"" align=""center"" width=""53""><font face=""Verdana, Arial, Helvetica, sans-serif"" size=""2"">13.94</font></td>   
 
<td bgcolor=""#CCCCCC"" align=""center"" width=""77""><img src=""../images/down.gif""><font face=""Verdana, Arial, Helvetica, sans-serif"" size=""2"">0.06</font></td>
  
  <td bgcolor=""#CCCCCC"" align=""center"" width=""77"">
  <p align=""center""><img src=""../images/down.gif""><font face=""Verdana, Arial, Helvetica, sans-serif"" size=""2"">0.429</font></p>
  </td>
...
</tr>
";
                Regex re = new Regex("(?is)(?<=\\<tr\\>).*?(?=\\</tr\\>)", RegexOptions.None);                str = re.Match(str).Value;                Console.WriteLine(str);
                Console.ReadLine();                                
            }

Answer 3

txt内容<tr>  <td bgcolor="#CCCCCC" align="center" width="53"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">13.94</font></td>   
 
<td bgcolor="#CCCCCC" align="center" width="77"><img src="../images/down.gif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0.06</font></td>
  
  <td bgcolor="#CCCCCC" align="center" width="77">
  <p align="center"><img src="../images/down.gif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0.429</font></p>
  </td>
...
</tr>
<tr>  <td bgcolor="#CCCCCC" align="center" width="53"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">13.94</font></td>     </td>
</tr>
            string strfromtxt = File.ReadAllText(@"C:\1.txt", Encoding.GetEncoding("GB2312"));
            string res = @"(?is)(?<=<tr>)(.*?)(?=</tr>)";
            MatchCollection matches = Regex.Matches(strfromtxt, res);            foreach (Match match in matches)
            {
                string contemp = match.Value.Trim();
                listpath.Add(contemp);//结果数据
            }