PhoneNumber Extension Methods (libphonenumber)

PhoneNumberExtensions.cs

//https://github.com/erezak/libphonenumber-csharp
//https://github.com/twcclegg/libphonenumber-csharp
using PhoneNumbers;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace fravelgue
{
    public static class PhoneNumberExtensions
    {
        public static bool IsValid(this PhoneNumberUtil util, string phone, string country, out PhoneNumber pn)
        {
            bool isValid = false;

            try
            {
                pn = util.Parse(phone, country.ToUpperInvariant());
            }
            catch (NumberParseException)
            {
                pn = null;
            }

            if (pn != null && util.IsValidNumber(pn))
            {
                isValid = true;
            }
            else
            {
                pn = null;
            }

            return isValid;
        }

        public static string ToPhone(this PhoneNumber pn)
        {
            //return util.Format(pn, PhoneNumberFormat.E164).Replace("+", "").Substring(pn.CountryCode.ToString().Length);
            return pn.NationalNumber.ToString();
        }

        public static string ToMsisdn(this PhoneNumber pn)
        {
            return pn.CountryCode.ToString() + pn.NationalNumber.ToString();
        }

        public static string ToMsisdn(this PhoneNumberUtil util, PhoneNumber ph)
        {
            return util.Format(ph, PhoneNumberFormat.E164).Replace("+", "");
        }
    }
}