More cleanup

cooking.lua

@@ -1,3 +1,9 @@
+-- Add more ingredients here that make a soup.
+local ingredients_list = {
+	"apple", "mushroom", "honey", "pumpkin", "egg", "bread", "meat",
+	"chicken", "carrot", "potato"
+}
+
 local cauldron_cbox = {
 	{0,  0, 0,  16, 16, 0},
 	{0,  0, 16, 16, 16, 0},
@@ -112,11 +118,6 @@ minetest.register_abm({
 		if not objs then return end
 
 		local ingredients = {}
-		local ingredients_list = {  -- Add more ingredients here that make a soup.
-			"apple", "mushroom", "honey", "pumpkin", "egg", "bread",
-			"meat", "chicken", "carrot", "potato"
-		}
-
 		for _, obj in pairs(objs) do
 			if obj and obj:get_luaentity() then
 				local itemstring = obj:get_luaentity().itemstring:match(":([%w_]+)")
@@ -127,7 +128,7 @@ minetest.register_abm({
 				end
 
 				for _, ing in pairs(ingredients_list) do
-					if itemstring and itemstring:match(ing) then
+					if itemstring and itemstring:find(ing) then
 						ingredients[#ingredients+1] = itemstring
 					end
 				end

enchanting.lua

@@ -69,7 +69,7 @@ function enchanting.on_put(pos, listname, _, stack)
 		for k, v in pairs({"axe, pick, shovel",
 				"chestplate, leggings, helmet",
 				"sword", "boots"}) do
-			if v:match(stack:get_name():match(":(.-)%_")) then
+			if v:find(stack:get_name():match(":(%w+)")) then
 				enchanting.formspec(pos, k)
 			end
 		end
@@ -101,7 +101,7 @@ end
 
 local function allowed(tool)
 	for item in pairs(minetest.registered_tools) do
-		if item:match("enchanted_"..tool) then return true end
+		if item:find("enchanted_"..tool) then return true end
 	end
 	return false
 end

mailbox.lua

@@ -41,10 +41,8 @@ xdecor.register("mailbox", {
 		return inv:is_empty("mailbox") and player and player_name == owner
 	end,
 	on_metadata_inventory_put = function(pos, listname, _, stack, player)
-		local inv = minetest.get_meta(pos):get_inventory()
-		local player_name = player:get_player_name()
 		local meta = minetest.get_meta(pos)
-		local stack_name = stack:get_name().." "..stack:get_count()
+		local inv = meta:get_inventory()
 
 		if listname == "drop" and inv:room_for_item("mailbox", stack) then
 			inv:remove_item("drop", stack)
@@ -54,22 +52,20 @@ xdecor.register("mailbox", {
 				meta:set_string("giver"..i, meta:get_string("giver"..(i-1)))
 				meta:set_string("stack"..i, meta:get_string("stack"..(i-1)))
 			end
-			meta:set_string("giver1", player_name)
-			meta:set_string("stack1", stack_name)
+
+			meta:set_string("giver1", player:get_player_name())
+			meta:set_string("stack1", stack:get_name().." "..stack:get_count())
 		end
 	end,
 	allow_metadata_inventory_put = function(pos, listname, _, stack, player)
-		local player_name = player:get_player_name()
 		if listname == "drop" then
-			local meta = minetest.get_meta(pos)
-			local inv = meta:get_inventory()
+			local inv = minetest.get_meta(pos):get_inventory()
 			if inv:room_for_item("mailbox", stack) then
 				return -1
 			else
-				minetest.chat_send_player(player_name, "The mailbox is full")
+				minetest.chat_send_player(player:get_player_name(), "The mailbox is full")
 			end
 		end
-
 		return 0
 	end
 })

worktable.lua

@@ -270,7 +270,7 @@ function worktable.fields(pos, _, fields)
 		worktable.craftguide_formspec(meta, pagenum, nil, 1, filter, tab_id)
 	else
 		for item in pairs(fields) do
-			if item:match(".-:") and minetest.get_craft_recipe(item).items then
+			if item:find(":") and minetest.get_craft_recipe(item).items then
 				worktable.craftguide_formspec(meta, pagenum, item, 1, filter, tab_id)
 			end
 		end