<tr height="34" align="center">
<td height="34">a</td>
<td height="34">aa</td>
<td height="34">aaa</td>
<td height="34">aaaa</td>
<td>aaaaa</td>
<td>aaaaaa</td>
<td>aaaaaaa</td>
<!-- <td align="middle"></td> -->
<td >aaaaaaaa</td>
<td height="34">aaaaaaaaa</td>
tr>我想要获取上述html片段中的 <td height="34">a</td>
<td height="34">aa</td>
<td height="34">aaa</td>
<td height="34">aaaa</td>
<td>aaaaa</td>
<td>aaaaaa</td>
<td>aaaaaaa</td>
<!-- <td align="middle"></td> -->
<td >aaaaaaaa</td>
<td height="34">aaaaaaaaa</td>正则表达式应该怎么写啊,谢谢,这只是html的一小部分,原文很长,所以请不要说用字符串操作类之类的方法,那样不好用。感谢大家了,实在没分了,对不住!
试下: string sourceString = @"<tr height=""34"" align=""center"">
<td height=""34"">a</td>
<td height=""34"">aa</td>
<td height=""34"">aaa</td>
<td height=""34"">aaaa</td>
<td>aaaaa</td>
<td>aaaaaa</td>
<td>aaaaaaa</td>
<!-- <td align=""middle""></td> -->
<td >aaaaaaaa</td>
<td height=""34"">aaaaaaaaa</td>
</tr>";
string pattern = @"(?<=<tr[^>]*>)[\s\S]+?(?=</tr>)";
System.Text.RegularExpressions.Match result = Regex.Match(sourceString,pattern,System.Text.RegularExpressions.RegexOptions.IgnoreCase|System.Text.RegularExpressions.RegexOptions.Multiline);
if (result.Success)
{
//提示正确信息
//WL("正确:" + result.Groups[1].Value);//输出
WL("正确:" + result.Value);//输出
}
else
{
//提示错误信息
WL("错误!");//输出
}
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Match m = r.Match(sourceString);
if (r.Match(aa).Success)
{
MessageBox.Show(m.Groups[1].Value);
}