/// <summary>
/// Attempts to normalized the given phone number for the given region code.
/// </summary>
/// <param name="phoneNumber">The phone number to normalize.</param>
/// <param name="regionCode">
/// Region that we are expecting the number to be from.
/// This is only used if the number being parsed is not written in international format.
/// </param>
/// <param name="normalized">The normalized string or the original string if normalization failed.</param>
/// <returns>True if normalization succeeds, otherwise false.</returns>
public static bool TryNormalizeRc(string phoneNumber, string regionCode, out string normalized)
{
EnsurePhoneUtil();
EnsureRegionTimezoneMap();
normalized = phoneNumber;
if (String.IsNullOrWhiteSpace(phoneNumber))
{
return(false);
}
phoneNumber = phoneNumber
.Trim()
.Replace("o", "0")
.Replace("O", "0");
try
{
var parsedNumber = _phoneUtil.Parse(phoneNumber, regionCode);
if (_phoneUtil.IsValidNumber(parsedNumber))
{
normalized = $"+{parsedNumber.CountryCode}{parsedNumber.NationalNumber}";
return(true);
}
// Check the case where country code is included without the + or 00 prefix
// as libphone wont recoginize as country code unless we add one of the above
// prefixes.
else if (phoneNumber.Length >= 10 && Regex.IsMatch(phoneNumber, @"^\d"))
{
foreach (var countryCode in _phoneUtil.GetSupportedCallingCodes())
{
var region = _phoneUtil.GetRegionCodeForCountryCode(countryCode);
var exampleNumber = _phoneUtil.GetExampleNumberForType(region, PhoneNumberType.MOBILE).NationalNumber;
var sCountryCode = countryCode.ToString();
var totalLength = sCountryCode.Length + exampleNumber.ToString().Length;
if (phoneNumber.StartsWith(sCountryCode) && phoneNumber.Length == totalLength)
{
return(TryNormalizeRc($"+{phoneNumber}", regionCode, out normalized));
}
}
}
else
{
return(false);
}
}
catch
{
return(false);
}
return(false);
}
