net验证邮件地址的合法性

 /// <summary>
    /// 检测邮件地址是否合法
    /// </summary>
    /// <param name="mails">被检测的字符串</param>
    /// <returns></returns>
    public static bool CheckMail(string mails)
    {
        bool istrue = false;
        Regex re = new Regex("\\w+@(\\w+.)+[a-z]{2,3}");
        if (re.IsMatch(mails))
        {
            istrue = true;
        }
        return istrue;
    }