+ # checks that ID is is valid FlakeID
+ #
+ @spec is_flake_id?(String.t()) :: boolean
+ def is_flake_id?(id), do: is_flake_id?(String.to_charlist(id), true)
+ defp is_flake_id?([c | cs], true) when c >= ?0 and c <= ?9, do: is_flake_id?(cs, true)
+ defp is_flake_id?([c | cs], true) when c >= ?A and c <= ?Z, do: is_flake_id?(cs, true)
+ defp is_flake_id?([c | cs], true) when c >= ?a and c <= ?z, do: is_flake_id?(cs, true)
+ defp is_flake_id?([], true), do: true
+ defp is_flake_id?(_, _), do: false
+