ipfinder

defmodule Ipfinder.Validation.Asnvalidation do
  @moduledoc """
  Documentation for Asn validation.
  """

  @moduledoc since: "1.0.0"

  	@doc """
	  Helper method for validating an argument if it is asn number

    ## Parameters
      * `asn` - The AS number you want details for

  	"""

  	@doc since: "1.0.0"
	def validate(asn) do

		regex = ~r/^(as|AS)(\d+)$/ 

		if String.match?(asn,regex) == false  do
			raise  "Invalid asn number"
		end
    
	end

end