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  • .net去掉HTML标记

     

    using System.Text.RegularExpressions;

    /// <summary>

      /// 去除HTML标记

      /// </summary>

      /// <param name="NoHTML">包括HTML的源码 </param>

      /// <returns>已经去除后的文字</returns>

      public static string NoHTML(string Htmlstring)

      { 

       //删除脚本

       Htmlstring = Regex.Replace(Htmlstring,@"<script[^>]*?>.*?</script>","",RegexOptions.IgnoreCase);

       //删除HTML

       Htmlstring = Regex.Replace(Htmlstring,@"<(.[^>]*)>","",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"([\r\n])[\s]+","",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"-->","",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"<!--.*","",RegexOptions.IgnoreCase);

       

       Htmlstring = Regex.Replace(Htmlstring,@"&(quot|#34);","\"",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"&(amp|#38);","&",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"&(lt|#60);","<",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"&(gt|#62);",">",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"&(nbsp|#160);"," ",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"&(iexcl|#161);","\xa1",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"&(cent|#162);","\xa2",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"&(pound|#163);","\xa3",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring,@"&(copy|#169);","\xa9",RegexOptions.IgnoreCase);

       Htmlstring = Regex.Replace(Htmlstring, @"&#(\d+);","",RegexOptions.IgnoreCase);

       Htmlstring.Replace("<","");

       Htmlstring.Replace(">","");

       Htmlstring.Replace("\r\n","");

       Htmlstring=HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();

       return Htmlstring;

      }

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  • 原文地址:https://www.cnblogs.com/zhangsir/p/1250285.html
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