iban-ex/lib/iban_ex/country/gb.ex

36 lines
803 B
Elixir

defmodule IbanEx.Country.GB do
@moduledoc """
United Kingdom IBAN parsing rules
"""
alias IbanEx.Iban
@behaviour IbanEx.Country.Template
@size 22
@rule ~r/^(?<bank_code>[A-Z]{4})(?<branch_code>[0-9]{6})(?<account_number>[0-9]{8})$/i
@spec size() :: 22
def size(), do: @size
@spec rule() :: Regex.t()
def rule(), do: @rule
@spec to_s(Iban.t()) :: binary()
@spec to_s(Iban.t(), binary()) :: binary()
def to_s(
%Iban{
country_code: country_code,
check_digits: check_digits,
bank_code: bank_code,
branch_code: branch_code,
account_number: account_number
} = _iban,
joiner \\ " "
) do
[country_code, check_digits, bank_code, branch_code, account_number]
|> Enum.join(joiner)
end
end