去除指定字符串中的HTML标签相关代码代码,Asp.Net代码库,德仔网

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【Asp.Net】去除指定字符串中的HTML标签相关代码

作者:xqf222 / 发布于2014/2/25/ 347

//去除指定字符串中的HTML标签相关代码函数
 private static string RemoveHtml(string strContent, string strTagName, int strType)
 {
 string pattern = "";
 string strResult = "";
 Regex exp;
 MatchCollection matchList;
 switch (strType)
 {
 case 1://去掉<a></a>中<a>标记的内容,保留<a>后面的所有代码

 pattern = @"<" + strTagName + "([^>])*>";
 exp = new Regex(pattern, RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace);
 matchList = exp.Matches(strContent);
 foreach (Match match in matchList)
 {
 if (match.Value.Length > 0)
 strResult = match.Value;
 strContent = strContent.Replace(strResult, "");
 break;
 }
 break;

 case 2://去掉所有<a></a>两个标记的内容,保留<a>和</a>代码中间的代码
 pattern = "<" + strTagName + "([^>])*>";
 exp = new Regex(pattern, RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace);
 matchList = exp.Matches(strContent);
 foreach (Match match in matchList)
 {
 if (match.Value.Length > 0)
 strResult = match.Value;
 strContent = strContent.Replace(strResult, "");
 break;
 }
 pattern = "</" + strTagName + "([^>])*>";
 exp = new Regex(pattern, RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace);
 matchList = exp.Matches(strContent);
 foreach (Match match in matchList)
 {
 if (match.Value.Length > 0)
 strResult = match.Value;
 strContent = strContent.Replace(strResult, "");
 break;
 }
 break;

 case 3://去掉所有<a></a>和两个标记之间的全部内容
 pattern = "<" + strTagName + "([^>])*>.*?</" + strTagName + "([^>])*>";
 exp = new Regex(pattern, RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace);
 matchList = exp.Matches(strContent);
 foreach (Match match in matchList)
 {
 if (match.Value.Length > 0)
 strResult = match.Value;
 strContent = strContent.Replace(strResult, "");
 break;
 }
 break;
 }
 return strContent;
 }

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　去除HTML　

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