How can I make it so the function only runs a set amount of times?

local bang = script.Parent.Explosion

function ontouch(part)
	
	if part.Parent.Name ~= "Bombs" or "Explosions" then
		if part.CanCollide ~= false then
	
			script.Disabled = true
			
			local neon = game.ServerStorage.NeonPart
			local plastic = game.ServerStorage.PlasticPart
			local clnNeon = neon:Clone()
			local clnPlastic = plastic:Clone()
			clnNeon.Parent = script.Parent
			clnPlastic.Parent = script.Parent
			clnNeon.Position = script.Parent.Position
			clnPlastic.Position = script.Parent.Position
			
			local normalbomb = Instance.new("Explosion")
			normalbomb.BlastPressure = 800000
			normalbomb.BlastRadius = 10
			normalbomb.Parent = script.Parent
			normalbomb.Position = script.Parent.Position
			
			bang.Pitch = (math.random(5,10)*.1)
			bang:Play()
		
			wait(.1)
			script.Disabled = false
		
		end
	end
		
end -- By this point, I want it to check how many times the function has occurred, if more than 10, break the function. Unsure if any of this is possible.

	script.Parent.Transparency = 1
	script.Parent.CanCollide = false

	local z = 0
	repeat
		local bitz = game.ServerStorage.BombBit
		local bitzCln = bitz:Clone()
		bitzCln.Parent = workspace.Bitz
		bitzCln.Position = script.Parent.Position
		z = z + 1
	until z == 4

	wait(3)

	if not script.Parent == nil then
		script.Parent:Destroy()
	end

script.Parent.Touched:Connect(ontouch)

Help would be appreciated, sorry for any inconvenience.

local timesran = 0 -- Define a variable to use as a counter
local maxtimesran = 10 -- Define a variable to use as the counters max value (When timesran reaches this number, the script will stop)

-- For simplicity I will just make a generic example script, but the steps can be added into any existing script with ease.
repeat -- Start the loop
timesran = timesran + 1 -- Every time the loop is ran, the counters value goes up by one

--Your script here

wait() -- Wait so script doesn't freeze
if timesran >= maxtimesran then -- If the counters value is greater than or equal to the max count then break the script
break
end
until timesran >= maxtimesran

Edited for explanation.