private static string PreValidateHandling(string input, TelephoneOptions options)
{
if (options == null)
{
options = TelephoneOptions.Default;
}
input = TelephoneUtility.PreProcessingHandling(input, options);
return(input);
}
/// <summary>
/// Validations only the signatures of the phone number
/// </summary>
/// <param name="phoneNumber"></param>
/// <param name="options"></param>
/// <returns></returns>
public static bool PhoneNumberValidateFormat(string phoneNumber, TelephoneOptions options = null)
{
phoneNumber = PreValidateHandling(phoneNumber, options);
if (!TelephoneUtility.CheckOpenCloseCharacter(phoneNumber, new List <OpenClose>
{
new OpenClose('(', ')'),
new OpenClose('[', ']')
}))
{
return(false);
}
if (RegexPhoneNumberBelow3Digit.IsMatch(phoneNumber))
{
return(true);
}
return(RegexPhoneNumber.IsMatch(phoneNumber));
}
