CODEWITHSUNDEEP
elixirphoenix-framework
vickris
vickris

Reputation: 293

Check if string is a date in Elixir

I am new to Elixir and wanted to know if there is a way to check if a string is a date without necessarily having to write your own function that makes use of regex?

Upvotes: 2

Views: 4968

Answers (2)

Igor Drozdov
Igor Drozdov

Reputation: 15045

It depends on the format of the date in the parsed string. Elixir's standard library contains Date.from_iso8601, which can be used as the following:

def is_date?(date) do
  case Date.from_iso8601(date) do
    {:ok, _} -> true
    _ -> false
  end
end

If you're expecting a string of another format, then Timex library may be useful for you, because it allows to specify the format of the parsed string. For example:

def is_date?(date) do
  case Timex.format(date, "{ISO:Extended}") do
    {:ok, _} -> true
    _ -> false
  end
end

Upvotes: 4

PatNowak
PatNowak

Reputation: 5812

I guess the most suitable option for you might be Timex.parse, but you could provide informations of your Date's format.

If you have a bit more complex format, I'm afraid that using your own "datetime helper" will be neccesary.

Upvotes: 1

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