# ExIban

Library for manipulating and validating IBAN account numbers.

## Installation

The package can be installed as:

  1. Add exiban to your list of dependencies in `mix.exs`:

    ```elixir
    def deps do
      [{:exiban, "~> 0.0.1"}]
    end
    ```

  2. Run `mix deps.get` in your console to fetch from Hex


## Usage

```elixir
iex> ExIban.valid?("GB82 WEST 1234 5698 7654 32")
true

iex> ExIban.valid?("GB82 WEST 999 9999 9999")
false
```
    
### Ecto validator

```elixir
defmodule User do
  use Ecto.Schema
  use Ecto.Model
  
  schema "users" do
    field :email, :string
    field :iban, :string
  end
  
  def changeset(user, params \\ :empty) do
    user
    |> cast(params, ~w(iban email), ~w())
    |> ExIban.EctoValidator.validate_iban(:iban)
  end
end
```

## Documentation
Hosted on [http://hexdocs.pm/exiban/ExIban.html](http://hexdocs.pm/exiban/ExIban.html)

## Author
Krzysztof Kempiński

ExIban is released under the [MIT License](https://github.com/appcues/exsentry/blob/master/LICENSE.txt).