c# 验证

public class RegularExpressionsHelper
    {
        /// <summary>
        /// 对用户名进行格式进行检查的正则表达式
        /// </summary>
        /// <param name="userName">输入的用户名</param>
        /// <returns>验证结果</returns>
        public static bool UserNameRegex(string userName)
        {
            string nameRegex = @"^[0-9a-zA-Z_-]{6,16}$";
            return Regex.IsMatch(userName, nameRegex);
        }

        /// <summary>
        /// 验证手机号的正则表达式
        /// </summary>
        /// <param name="mobilePhoneNumber">输入的手机号</param>
        /// <returns>验证结果</returns>
        public static bool MobilePhoneNumberRegex(string mobilePhoneNumber)
        {
            string phoneNumberRegex = @"^1[3578]\d{9}$";
            return Regex.IsMatch(mobilePhoneNumber, phoneNumberRegex);
        }

        /// <summary>
        /// 对邮箱进行验证的正则表达式
        /// </summary>
        /// <param name="emial">输入的邮箱</param>
        /// <returns>验证结果</returns>
        public static bool EmailRegex(string emial)
        {
            string emailRegex = @"^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$";
            return Regex.IsMatch(emial, emailRegex); ;
        }

        /// <summary>
        /// 判断输入发字符串是否为GUID
        /// </summary>
        /// <param name="guid">输入的字符串</param>
        /// <returns>验证结果</returns>
        public static bool GuidRegex(string guid)
        {
            string guidRegex = @"^[a-fA-F0-9]{8}-([a-fA-F0-9]{4}-){3}[a-fA-Z0-9]{12}$";
            return Regex.IsMatch(guid, guidRegex);
        }

        /// <summary>
        /// 判断输入的字符串时候为车牌号
        /// </summary>
        /// <param name="carNumber">输入的字符串</param>
        /// <returns>验证结果</returns>
        public static bool CarNumReges(string carNumber)
        {
            string carNumReges = @"^[\u4E00-\u9FA5][A-Za-z][\dA-za-z]{5}$";
            return Regex.IsMatch(carNumber, carNumReges);
        }
    }