WorldSwitch

{{#invoke:WorldSwitch|subworld|Survial 4|Husky}} generates: husky

{{#invoke:WorldSwitch|world|Survial 4|Husky}} generates:

---

local p = {} --p stands for package

function p.subworld(frame)
	input = mw.ustring.lower(frame.args[1] .. frame.args[2])
	subworlds = {"husky", "beagle", "akita", "corgi", "labrador", "shepherd"}
	for key,value in ipairs(subworlds) do 
		if (mw.ustring.find(input, value, 1, true) ~= nil) then
			return value
		end
	end
end

return p