c# 校验文本框的正则

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#region 常用数据验证的封装，数字字符的验证        /// <summary>        /// 常用数据验证的封装，数字字符的验证        /// </summary>        /// <param name="inputVal">需要验证的数值【字符串，或者数字】</param>        /// <param name="type">类型为哪一个验证</param>        /// <returns>如果验证成功则返回True,否则返回false</returns>        public static bool IsMatch(string inputVal, int type)        {            switch (type)            {                case 0:                    return Regex.IsMatch(inputVal, @"^[1-9]d*$");  //匹配正整数                case 1:                    return Regex.IsMatch(inputVal, @"^-?\d+$");  //匹配整数                case 2:                    return Regex.IsMatch(inputVal, @"^[A-Za-z0-9]+$");  //匹配由数字和26个英文字母组成的字符串                case 3:                    return Regex.IsMatch(inputVal, @"^(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))$");  //匹配正浮点数                case 4:                    return Regex.IsMatch(inputVal, @"^[\u4e00-\u9fa5]{0,}$");  //匹配汉字                case 5:                    return Regex.IsMatch(inputVal, @"^[0-9]+(.[0-9]{1,3})?$");  //匹配1~3位小数的正实数                case 6:                    return Regex.IsMatch(inputVal, @"^[A-Za-z]+$");  //匹配英文字符                case 7:                    return Regex.IsMatch(inputVal, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");   //验证邮箱                case 8:                    return Regex.IsMatch(inputVal, @"((\d{11})|^((\d{7,8})|(\d{4}|\d{3})-(\d{7,8})|(\d{4}|\d{3})-(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1})|(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1}))$)");   //验证手机号码                default:                    return true;            }        }        #endregion