使用正则表达式去除html标签

 

 

 不知道大家遇到这话总情况没有,从数据库读取数据,数据参杂着html标记<p>等,在显式的时候控制字符个数,这个时候就会出现页面样式串行,使用正则表达式去除html标记就不会有还这个问题.

 需要引用:System.Text.RegularExpressions

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/// <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;     }