/ElectronicCommerce.Framework.Web/Validation/Extensions/StringValidateExtensions.cs

using System;

using System.Text.RegularExpressions;



namespace ElectronicCommerce.Framework.Web.Validation.Extensions

{

    public static class StringValidateExtensions

    {

        public static bool IsNullOrEmpty(this string input)

        {

            return string.IsNullOrEmpty(input);

        }

        public static bool IsNumeric(this string input)

        {

            if (string.IsNullOrEmpty(input))

            {

                return false;

            }



            return Regex.IsMatch(input, @"^[0-9]+$");

        }



        public static bool IsEmailAddress(this string input)

        {

            if (string.IsNullOrEmpty(input))

            {

                return false;

            }



            return Regex.IsMatch(input, @"^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$");

        }



        public static bool IsVaildUserName(this string input)

        {

            if (string.IsNullOrEmpty(input))

            {

                return false;

            }



            return Regex.IsMatch(input, @"^[A-Za-z\u4e00-\u9fa5][\w\u4e00-\u9fa5]{4,20}$");

        }



        public static bool IsDateTime(this string input)

        {

            if (string.IsNullOrEmpty(input))

            {

                return false;

            }



            DateTime result;

            return DateTime.TryParse(input, out result);

        }



        public static bool IsInteger(this string input)

        {

            if (string.IsNullOrEmpty(input))

            {

                return false;

            }



            int result;

            return int.TryParse(input, out result);

        }



        public static bool IsDecimal(this string input)

        {

            if (string.IsNullOrEmpty(input))

            {

                return false;

            }



            return Regex.IsMatch(input, @"^\d+[.]?\d*$");

        }



        public static bool IsMoney(this string input)

        {

            if (string.IsNullOrEmpty(input))

            {

                return false;

            }



            return Regex.IsMatch(input, "^([0-9]+|[0-9]{1,3}(,[0-9]{3})*)(.[0-9]{1,2})?$");

        }



        public static bool IsURL(this string input)

        {

            if (string.IsNullOrEmpty(input))

            {

                return false;

            }



            return Regex.IsMatch(input, @"(mailto\:|(news|(ht|f)tp(s?))\://)(([^[:space:]]+)|([^[:space:]]+)( #([^#]+)#)?) ");

        }



        public static bool IsChineseMobileNumber(this string input)

        {

            if (string.IsNullOrEmpty(input))

            {

                return false;

            }

            return Regex.IsMatch(input, @"^(13[0-9]|15[0-9]|18[0-9])[0-9]{8}$");

        }



        public static bool IsChinesePhoneNumber(this string input)

        {

            return Regex.IsMatch(input, @"^[0-9\-]{0,20}$");

        }



        /// <summary>

        /// ?????

        /// 11?????

        /// 3-4????7-8??????1?4????

        /// ??12345678901?1234-12345678-1234

        /// </summary>

        /// <param name="input"></param>

        /// <returns></returns>

        public static bool IsChinesePhoneNumber2(this string input)

        {

            return Regex.IsMatch(input, @"((\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}))$)");

        }



        public static bool IsIPV6Address(this string input)

        {

            return Regex.IsMatch(input, @"^([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4}$");

        }



        public static bool IsIPV4Address(this string input)

        {

            return Regex.IsMatch(input, @"^((?:2[0-5]{2}|1\d{2}|[1-9]\d|[1-9])\.(?:(?:2[0-5]{2}|1\d{2}|[1-9]\d|\d)\.){2}(?:2[0-5]{2}|1\d{2}|[1-9]\d|\d)):(\d|[1-9]\d|[1-9]\d{2,3}|[1-5]\d{4}|6[0-4]\d{3}|654\d{2}|655[0-2]\d|6553[0-5])$");

        }

    }

}