/// <summary>
/// Parse the text to an Iban
/// </summary>
/// <param name="text">the text to parse</param>
/// <returns></returns>
public static ParsingResult TryParse(string text)
{
// remove whitespace chars
var toParse = (text ?? string.Empty).Replace(" ", "").Replace("\t", "").ToUpper(CultureInfo.InvariantCulture);
if (toParse.Length == 0)
{
return(new ParsingResult());
}
if (toParse.Length > 34)
{
return(ParsingResult.Invalid(Resources.Iban_MoreThan34Characters));
}
if (toParse.Length <= 4)
{
return(ParsingResult.Invalid(Resources.Iban_LessThan5Characters));
}
var result = new ParsingResult
{
CountryCode = toParse.Substring(0, 2),
CheckDigits = toParse.Substring(2, 2),
BasicAccountNumber = toParse.Substring(4, toParse.Length - 4)
};
if (!result.CountryCode.All(chr => char.IsUpper(chr)))
{
return(ParsingResult.Invalid(Resources.Iban_StartWithIso));
}
if (!result.CheckDigits.All(chr => char.IsDigit(chr)))
{
return(ParsingResult.Invalid(Resources.Iban_2CheckDigits));
}
if (!result.BasicAccountNumber.All(chr => char.IsLetterOrDigit(chr)))
{
return(ParsingResult.Invalid(Resources.Iban_OnlyLettersAndDigits));
}
return(result);
}