C#.Net過濾特殊字符通用類庫方法

實(shí)現(xiàn)功能:刪除特殊字符

過濾包括HTML,腳本,數(shù)據(jù)庫關(guān)鍵字,特殊字符等關(guān)鍵詞都可過濾掉

打開VS,直接復(fù)制粘貼到項(xiàng)目中就可使用 





/// <summary>
/// 過濾標(biāo)記
/// </summary>
/// <param name="NoHTML">包括HTML,腳本,數(shù)據(jù)庫關(guān)鍵字,特殊字符的源碼 </param>
/// <returns>已經(jīng)去除標(biāo)記后的文字</returns>
public string NoHTML(string Htmlstring)
{
  if (Htmlstring == null)
  {
    return "";
  }
  else
  {
    //刪除腳本
    Htmlstring = Regex.Replace(Htmlstring, @"<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase);
    //刪除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 = Regex.Replace(Htmlstring, "xp_cmdshell", "", RegexOptions.IgnoreCase);
 
    //刪除與數(shù)據(jù)庫相關(guān)的詞
    Htmlstring = Regex.Replace(Htmlstring, "select", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "insert", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "delete from", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "count''", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "drop table", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "truncate", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "asc", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "mid", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "char", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "xp_cmdshell", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "exec master", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "net localgroup administrators", "", RegexOptions.IgnoreCase);
    Htmlstring = Regex.Replace(Htmlstring, "and", "", RegexOptions.IgnoreCase);
 
    return Htmlstring;
 
  }
 
}


原文鏈接:C#.Net過濾特殊字符通用類庫方法