/// <summary>Converts the string to an IBAN.
/// A return value indicates whether the conversion succeeded.
/// </summary>
/// <param name="s">
/// A string containing an IBAN to convert.
/// </param>
/// <param name="formatProvider">
/// The specified format provider.
/// </param>
/// <param name="result">
/// The result of the parsing.
/// </param>
/// <returns>
/// True if the string was converted successfully, otherwise false.
/// </returns>
public static bool TryParse(string s, IFormatProvider formatProvider, out InternationalBankAccountNumber result)
{
result = InternationalBankAccountNumber.Empty;
if (string.IsNullOrEmpty(s))
{
return(true);
}
var culture = formatProvider as CultureInfo ?? CultureInfo.InvariantCulture;
if (Qowaiv.Unknown.IsUnknown(s, culture))
{
result = Unknown;
return(true);
}
if (Pattern.IsMatch(s))
{
var str = Parsing.ClearSpacingToUpper(s);
var country = Country.TryParse(str.Substring(0, 2));
Regex localizedPattern;
if (str.Length > 11 && !country.IsEmptyOrUnknown() &&
(!LocalizedPatterns.TryGetValue(country, out localizedPattern) || localizedPattern.IsMatch(str)))
{
var validation = Alphanumeric.Replace(str.Substring(4) + str.Substring(0, 4), AlphanumericToNumeric);
int sum = 0;
int exp = 1;
for (int pos = validation.Length - 1; pos >= 0; pos--)
{
sum += exp * AlphanumericAndNumericLookup.IndexOf(validation[pos]);
exp = (exp * 10) % 97;
}
if ((sum % 97) == 1)
{
result = new InternationalBankAccountNumber()
{
m_Value = str
};
return(true);
}
}
}
return(false);
}
