how to repeat code on roblox lua code example

Example 1: repeating loop roblox

while true do
	-- Your script here
    -- Every loop needs a wait increment, or your game might crash
    wait(1) 
end

Example 2: roblox repeat until

repeat
	spawnGoblin()
	currentGoblinCount = currentGoblinCount + 1
	print("Current goblin count: " .. currentGoblinCount)
until currentGoblinCount == 25