public static PhoneNumber TryParse(string text, PhoneNumber location)
{
var countryCode = location.CountryCode;
var localParser = NumberingPlanFactory.GetNumberingPlan(location.CountryName);
if (localParser == null)
{
throw new NotSupportedException($"Numbering plan for {location.CountryName} not supported.");
}
text = localParser.ResolveInternationalDialling(text);
// ReSharper disable once ForeachCanBeConvertedToQueryUsingAnotherGetEnumerator
foreach (var numberingPlanEntry in localParser.CodeList)
{
var areaCode = numberingPlanEntry.Code;
var pattern = new Regex($@"^+?{countryCode}{areaCode}([0-9]+)$");
var match = pattern.Match(text);
if (match.Success)
{
return(new PhoneNumber(countryCode, areaCode, match.Groups[1].Value, "", false));
}
pattern = new Regex($@"^{areaCode}([0-9]+)$");
match = pattern.Match(text);
if (match.Success)
{
return(new PhoneNumber(countryCode, areaCode, match.Groups[1].Value, "", false));
}
}
return(Parse(text, location));
}
public static PhoneNumber Parse(string text, PhoneNumber defaultLocation)
{
var parsedNumber = new PhoneNumber();
text = ValidateSeparators(text);
var localParser = NumberingPlanFactory
.GetNumberingPlan(InternationalNumberingPlan
.GetNameByCountryCode(defaultLocation.CountryCode));
if (localParser != null)
{
text = localParser.ResolveInternationalDialling(text);
}
var intl = InternationalNumberingPlan.Parse(ref text);
if (intl != null)
{
parsedNumber.CountryCode = intl.CountryCode;
parsedNumber.CountryName = intl.CountryName;
localParser = NumberingPlanFactory.GetNumberingPlan(intl.CountryName);
}
if (string.IsNullOrEmpty(parsedNumber.AreaCode))
{
localParser?.Parse(ref parsedNumber, ref text);
}
// area code by extracting numbers in braces
if (string.IsNullOrEmpty(parsedNumber.AreaCode))
{
var foundAreaCode = new Regex(@"^\(([0-9 ]+)\)").Match(text);
if (foundAreaCode.Success)
{
if (foundAreaCode.Groups[1].Value == "0")
{
text = text.Replace("(0)", "").Trim();
}
else
{
var explicitAreaCode = foundAreaCode.Groups[1].Value;
explicitAreaCode = explicitAreaCode.Replace(" ", "");
text = text.Substring(foundAreaCode.Groups[0].Value.Length);
parsedNumber.AreaCode = explicitAreaCode;
localParser?.Parse(ref parsedNumber, ref explicitAreaCode);
}
text = Trim(text);
}
}
var findExtDelimiter = new Regex(".*([^0-9])[0-9]+$").Match(text);
var extDelimiter = '-';
if (findExtDelimiter.Success)
{
extDelimiter = findExtDelimiter.Groups[1].Value[0];
}
// count all delimiters
var delimiters = new Dictionary <char, int>();
foreach (var ch in text)
{
if (char.IsDigit(ch))
{
continue;
}
if (delimiters.ContainsKey(ch))
{
delimiters[ch]++;
}
else
{
delimiters.Add(ch, 1);
}
}
if ((extDelimiter != ' ') && delimiters.ContainsKey(extDelimiter) && (delimiters[extDelimiter] == 1))
{
var extDelimiterPos = text.LastIndexOf(extDelimiter);
parsedNumber.Extension = text.Substring(extDelimiterPos + 1);
text = text.Substring(0, extDelimiterPos);
text = Trim(text);
}
if (string.IsNullOrEmpty(parsedNumber.AreaCode))
{
foreach (var pair in delimiters)
{
if (pair.Value != 1)
{
continue;
}
var areaDelimiter = text.IndexOf(pair.Key);
if (areaDelimiter < 0)
{
continue;
}
parsedNumber.AreaCode = text.Substring(0, areaDelimiter);
if (localParser != null)
{
var code = parsedNumber.AreaCode;
localParser.Parse(ref parsedNumber, ref code);
}
else
{
foreach (var pair2 in delimiters)
{
parsedNumber.AreaCode = parsedNumber.AreaCode.Replace(pair2.Key.ToString(), "");
}
}
text = text.Substring(areaDelimiter + 1);
text = Trim(text);
break;
}
}
// ReSharper disable once LoopCanBeConvertedToQuery
foreach (var pair in delimiters)
{
text = text.Replace(pair.Key.ToString(), "");
}
parsedNumber.Number = text;
parsedNumber.DialInternal = string.IsNullOrEmpty(parsedNumber.CountryCode) &&
string.IsNullOrEmpty(parsedNumber.AreaCode) &&
string.IsNullOrEmpty(parsedNumber.Number) &&
!string.IsNullOrEmpty(parsedNumber.Extension);
if (!parsedNumber.DialInternal)
{
if (string.IsNullOrEmpty(parsedNumber.AreaCode) && !string.IsNullOrEmpty(defaultLocation.AreaCode))
{
parsedNumber.AreaCode = defaultLocation.AreaCode;
parsedNumber.AreaName = defaultLocation.AreaName;
}
if (string.IsNullOrEmpty(parsedNumber.CountryCode) && !string.IsNullOrEmpty(parsedNumber.AreaCode))
{
parsedNumber.CountryCode = defaultLocation.CountryCode;
parsedNumber.CountryName = defaultLocation.CountryName;
}
}
return(parsedNumber);
}
