private bool FilterIllegalChar(string sWord) {    var result = false;    var keyWord = @"select|insert|delete|from|count\(|drop table|update|truncate|asc\(|mid\(|char\(|xp_cmdshell|exec master|netlocalgroup administrators|:|net user|""|or|and";    string StrRegex = @"[-|;|,|/|\(|\)|\[|\]|}|{|%|\@|*|!|‘]";    if (Regex.IsMatch(sWord, keyWord, RegexOptions.IgnoreCase) || Regex.IsMatch(sWord, StrRegex))        return true;    return result;}