C# 清除文本中的HTML标签

/// <summary> 

        /// 清除文本中Html的标签 

        /// </summary> 

        /// <param name="Content"></param> 

        /// <returns></returns> 

        public static string ClearHtml(string Content) 

        { 

            Content = Zxj_ReplaceHtml("&#[^>]*;", "", Content); 

            Content = Zxj_ReplaceHtml("</?marquee[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?object[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?param[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?embed[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?table[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml(" ", "", Content); 

            Content = Zxj_ReplaceHtml("</?tr[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?th[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?p[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?a[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?img[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?tbody[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?li[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?span[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?div[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?th[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?td[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?script[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("(javascript|jscript|vbscript|vbs):", "", Content); 

            Content = Zxj_ReplaceHtml("on(mouse|exit|error|click|key)", "", Content); 

            Content = Zxj_ReplaceHtml("<\?xml[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("<\/?[a-z]+:[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?font[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?b[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?u[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?i[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?strong[^>]*>", "", Content); 

            Content = Zxj_ReplaceHtml("</?strong[^>]*>", "", Content); 

   

            Content = Zxj_ReplaceHtml(" ", "", Content); 

            Regex r = new Regex(@"s+"); 

            Content = r.Replace(Content, ""); 

   

            Content.Trim(); 

            string clearHtml = Content; 

            return clearHtml; 

        } 

   

        /// <summary> 

        /// 清除文本中的Html标签 

        /// </summary> 

        /// <param name="patrn">要替换的标签正则表达式</param> 

        /// <param name="strRep">替换为的内容</param> 

        /// <param name="content">要替换的内容</param> 

        /// <returns></returns> 

        private static string Zxj_ReplaceHtml(string patrn, string strRep, string content) 

        { 

            if (string.IsNullOrEmpty(content)) 

            { 

                content = ""; 

            } 

            Regex rgEx = new Regex(patrn, RegexOptions.IgnoreCase); 

            string strTxt = rgEx.Replace(content, strRep); 

            return strTxt; 

        }