Packages

moar

3.1.0
5.0.0 4.3.0 4.2.0 4.1.0 4.0.0 3.2.0 3.1.0 3.0.0 2.7.0 2.6.0 2.5.0 2.4.2 2.4.1 2.4.0 2.3.0 2.2.0 2.1.0 2.0.1 2.0.0 1.64.0 1.63.1 1.63.0 1.62.0 1.61.2 1.61.1 1.61.0 1.60.0 1.59.2 1.59.1 1.59.0 1.58.0 1.57.0 1.56.2 1.56.1 1.56.0 1.55.0 1.54.0 1.53.0 1.52.1 1.52.0 1.51.0 1.50.0 1.49.0 1.48.0 1.47.0 1.46.0 1.45.1 1.45.0 1.44.0 1.43.0 1.42.0 1.41.0 1.40.0 1.39.0 1.38.0 1.37.0 1.36.0 1.35.0 1.34.0 1.33.0 1.32.0 1.31.0 1.30.0 1.29.0 1.28.0 1.27.0 1.26.0 1.25.0 1.24.1 1.24.0 1.23.0 1.22.0 1.21.0 1.20.0 1.19.3 1.19.2 1.19.1 1.19.0 1.18.1 1.18.0 1.17.0 1.16.0 1.15.0 1.14.0 1.13.1 1.13.0 1.12.0 1.11.0 1.10.0 1.9.0 1.8.0 1.7.0 1.6.0 1.5.0 1.4.0 1.3.0 1.2.0 1.1.0 1.0.0 0.1.0

A dependency-free utility library containing 100+ useful functions.

HexDocs

Current section

Files

Jump to
Readme
100 Versions
0 Dependencies
Dependants
Files
Activity
moar lib uuid.ex
Raw

lib/uuid.ex 

defmodule Moar.UUID do

  # @related [test](test/uuid_test.exs)



  @moduledoc "UUID-related functions"



  @uuid_regex ~r/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i



  @doc "Returns a regex that will match a UUID"

  @spec regex() :: Regex.t()

  def regex, do: @uuid_regex



  @doc """

  Returns `true` if the argument is a valid UUID, or `false` if it is nil or an invalid UUID.



  ```elixir

  iex> Moar.UUID.valid?(nil)

  false



  iex> Moar.UUID.valid?("cows")

  false



  iex> Moar.UUID.valid?("a3357225-ed23-48b6-9ce5-10a580489b3f")

  true

  ```

  """

  @spec valid?(nil | binary()) :: boolean()

  def valid?(nil), do: false

  def valid?(uuid), do: Regex.match?(@uuid_regex, uuid)

end