C#正则验证

1.验证double正浮点类型

        //验证正浮点型
        private readonly Regex doubleX= new Regex(@"^\+?[0-9]*(\.[0-9]*)?([Ee][-+]?[0-9]+)?$", RegexOptions.IgnoreCase | RegexOptions.Compiled);
        //验证100以内的正浮点型
        private readonly Regex doubleX100 = new Regex(@"^(((\d|[1-9]\d)(\.\d{1,2})?)|100|100.0|100.00)$");

 

2.验证电话号码

[RegularExpression(@"^(0[0-9]{2,3}\-)([2-9][0-9]{6,7})?(\-[0-9]{1,4})?$|(^(13[0-9]|15[0-9]|17[0-9]|18[0-9])\d{8}$)", ErrorMessage = "请输入正确的手机号码！")]

 

 

3.邮箱验证

[RegularExpression(@"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*", ErrorMessage = "请输入正确的邮箱！")]

 

4.中文验证方式

        #region 验证

        /// <summary>
        /// 验证是否文中文  [正确true/错误false]
        /// </summary>
        public static bool GetBoolChinese(string str)
        {
            if (str == "" || str == null)
            {
                return false;
            }
            else
            {
                var r = new Regex(@"[\u4e00-\u9fa5]");
                if (r.IsMatch(str))
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
        }

        #endregion