php n2lbr implemented in elixir

n2lbr.ex

defmodule n2lbr do
@doc """
  Replace newlines with <br />.

  ## Examples

      iex> Nl2br('abc\ndef')
      "abc<br/>def"

  """
  def nl2br(string) do
    String.replace(string, ~r/\r|\n/, "<br />")
  end
end