Ragex(Validation Class In C#)

//Ragex Class

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Text.RegularExpressions;

namespace Ozzit.Classes

{

    public static class RegexValidation

    {

        #region AlphaSpace

            public static bool isAlphaSpace(string input)

            {

                Regex objAlphaSpacePattern = new Regex(@"^[a-zA-Z-\b' ']*$");

                return objAlphaSpacePattern.IsMatch(input);

            }

        #endregion

        #region ALpha

            public static bool isAlpha(string input)

            {

                Regex objAlphaPattern = new Regex(@"^[a-zA-Z-\b]*$");

                return objAlphaPattern.IsMatch(input);

            }

        #endregion  

        #region AlphaCapital

            public static bool isAlphaCapital(string input)

            {

                Regex objAlphaCapitalPattern = new Regex(@"^[A-Z-\b]*$");

                return objAlphaCapitalPattern.IsMatch(input);

            }

        #endregion

        #region AlphaSmall

            public static bool isAlphaSmall(string input)

            {

                Regex objAlphaSmallPattern = new Regex(@"^[a-z-\b]*$");

                return objAlphaSmallPattern.IsMatch(input);

            }

        #endregion

        #region Number

            public static bool isNumber(string input)

            {

                Regex objNumberPattern = new Regex(@"^[0-9-\b]*$");

                return objNumberPattern.IsMatch(input);

            }

        #endregion

        #region AlphaNumber

            public static bool isAlphaNumber(string input)

            {

                Regex objAlphaNumberPattern = new Regex(@"^[a-zA-Z0-9-\b]*$");

                return objAlphaNumberPattern.IsMatch(input);

            }

        #endregion

        #region UserID

            public static bool isUserId(string input)

            {

                Regex objUserId = new Regex(@"^[a-zA-Z0-9-\b@_.]*$");

                return objUserId.IsMatch(input);

            }

        #endregion

        #region AlphaDot

            public static bool isAlphaDot(string input)

            {

                Regex objAlphaDotPattern = new Regex(@"^[a-z-A-Z-,-.-\b]*$");

                return objAlphaDotPattern.IsMatch(input);

            }

        #endregion

           

    }

}

}