C# 正则验证 regcx.ismatch（）非法字符验证
C# 正则验证 regcx.ismatch（）非法字符验证 非法字符包括 , . ? !
谁给写个后面的参数

[解决办法]

C# code

/// <summary>/// 过滤字符/// </summary>public static string Filter(string sInput){    if (sInput == null || sInput.Trim() == string.Empty)        return null;    string sInput1 = sInput.ToLower();    string output = sInput;    string pattern = @",|.|?|!";    if (Regex.Match(sInput1, Regex.Escape(pattern), RegexOptions.Compiled | RegexOptions.IgnoreCase).Success)    {        throw new Exception("字符串中含有非法字符!");    }    else    {        output = output.Replace("'", "''");    }    return output;}