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lib/instream/validate.ex
defmodule Instream.Validate do
@moduledoc """
Validation utility.
"""
@doc """
Validates a database name.
"""
@spec database!(database :: String.t) :: :ok
def database!(database) do
test = ~r/^[a-zA-Z0-9_\-]+$/
if not Regex.match?(test, database) do
raise ArgumentError, "invalid database name: #{ inspect database }"
end
:ok
end
end