Validates the local 4 digit phone number with regular expression

   


//Microsoft Public License (Ms-PL)
//http://c4fdevkit.codeplex.com/license


using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;

namespace C4F.DevKit.WebServices
{
    /// <summary>
    /// Provides useful methods like conversion methods.
    /// </summary>
    public static class Utility
    {

        /// <summary>
        /// Validates the local 4 digit phone number
        /// </summary>
        /// <param name="phone">Phone number to be validated</param>
        /// <returns>True, if phone number is valid</returns>
        public static bool ValidateLocalPhoneNumber(string phone)
        {
            if (String.IsNullOrEmpty(phone))
                return false;

            return Regex.IsMatch(phone, "^[0-9]{4}$");
        }

    }
}

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Validates the local 4 digit phone number with regular expression : Match « Regular Expressions « C# / C Sharp

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