RM.Common/DotNetCode/ValidateUtil.cs

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using System.Text;
using System.Text.RegularExpressions;

namespace RM.Common.DotNetCode
{
    public class ValidateUtil
    {
        private static Regex RegNumber = new Regex("^[0-9]+$");
        private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");
        private static Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]+$");
        private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$");
        private static Regex RegEmail = new Regex("^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)+$");
        private static Regex RegCHZN = new Regex("[一-龥]");

        public static int GetStringLength(string stringValue)
        {
            return Encoding.Default.GetBytes(stringValue).Length;
        }

        public static bool IsValidUserName(string userName)
        {
            int userNameLength = ValidateUtil.GetStringLength(userName);
            return userNameLength >= 4 && userNameLength <= 20 && Regex.IsMatch(userName, "^([\\u4e00-\\u9fa5A-Za-z_0-9]{0,})$");
        }

        public static bool IsValidPassword(string password)
        {
            return Regex.IsMatch(password, "^[A-Za-z_0-9]{6,16}$");
        }

        public static bool IsValidInt(string val)
        {
            return Regex.IsMatch(val, "^[1-9]\\d*\\.?[0]*$");
        }

        public static bool IsNumber(string inputData)
        {
            Match i = ValidateUtil.RegNumber.Match(inputData);
            return i.Success;
        }

        public static bool IsNumberSign(string inputData)
        {
            Match i = ValidateUtil.RegNumberSign.Match(inputData);
            return i.Success;
        }

        public static bool IsDecimal(string inputData)
        {
            Match i = ValidateUtil.RegDecimal.Match(inputData);
            return i.Success;
        }

        public static bool IsDecimalSign(string inputData)
        {
            Match i = ValidateUtil.RegDecimalSign.Match(inputData);
            return i.Success;
        }

        public static bool IsHasCHZN(string inputData)