正则验证16进制

       /// <summary>
        /// 验证字符串是否为正整数
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool IsNumeric(string str)
        {
            System.Text.RegularExpressions.Regex reg1 = new System.Text.RegularExpressions.Regex(@"^[0-9]*[1-9][0-9]*$");
            return reg1.IsMatch(str);
        }
        /// <summary>
        /// 验证字符串是否为0或正浮点类型
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool isDouble(String str)
        {
            System.Text.RegularExpressions.Regex reg1 = new System.Text.RegularExpressions.Regex(@"^(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))|(00)|(0)|((0)+\.[0])|((0)+\.[00])$");
            return reg1.IsMatch(str);

        }
        /// <summary>
        /// 验证固定电话号码
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool isTel(String str)
        {
            System.Text.RegularExpressions.Regex reg1 = new System.Text.RegularExpressions.Regex(@"^(\d{3,4}-)?\d{7,8}$");
            return reg1.IsMatch(str);

        }
        /// <summary>
        /// 验证手机号码
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool isMobile(String str)
        {
            System.Text.RegularExpressions.Regex reg1 = new System.Text.RegularExpressions.Regex(@"^[1][3-8]\d{9}$");
            return reg1.IsMatch(str);

        }
        /// <summary>
        /// 验证数字
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool isNumber(String str)
        {
            System.Text.RegularExpressions.Regex reg1 = new System.Text.RegularExpressions.Regex(@"^\d+$");
            return reg1.IsMatch(str);

        }
                /// <summary>
        /// 验证邮政编码
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool isPost(String str)
        {
            System.Text.RegularExpressions.Regex reg1 = new System.Text.RegularExpressions.Regex(@"^\d{6}$");
            return reg1.IsMatch(str);

        }
        /// <summary>
        /// 验证邮件地址
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool isEmail(String str)
        {
            System.Text.RegularExpressions.Regex reg1 = new System.Text.RegularExpressions.Regex(@"^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$");
            return reg1.IsMatch(str);

        }

        /// <summary>
        /// 验证邮16进制

        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool isEmail(String str)
        {
            System.Text.RegularExpressions.Regex reg1 = new System.Text.RegularExpressions.Regex(@"^0x[a-f0-9]{1,2}$)|(^0X[A-F0-9]{1,2}$)|(^[A-F0-9]{1,2}$)|(^[a-f0-9]{1,2}$");
            return reg1.IsMatch(str);

        }