local UIS = game:GetService("UserInputService")
local chatbar = script.Parent

UIS.InputBegan:connect(function(input)
	if input.KeyCode == Enum.KeyCode.Slash then
		chatbar:CaptureFocus()
	end
end)

chatbar.FocusLost:connect(function(EnterPressed)
	if EnterPressed and chatbar.Text ~= "" and chatbar.Text ~= " " then
		
		local message = chatbar.Text
		local plr = chatbar.Parent.Parent.Parent
		local chatstorage = game.Workspace:WaitForChild("ChatStorage")
		local plrmessage = Instance.new("StringValue", chatstorage)
		
		local sucess, message = pcall(function()
			local filteredtext = message:FilterStringAsync(message)
		
		plrmessage.Value = plr.Name..": "..filteredtext

		wait(0.1)
		chatbar.Text = "Press \"/\" to chat!"
		end)
	end
end)

I tried the roblox scripting wiki but I still don't get how to filter strings.. I also don't get what pcall(function() means and why in the example (http://wiki.roblox.com/index.php?title=Text_Filtering) in the wiki (labeled as server script) has this:

filteredMessage = Chat:FilterStringAsync(message, sender, recipient)

(I'm talking about what's inside of the parentheses). I know what it means when there is one word inside of the parentheses, but why are there three of them in the example, and how does it work? Sorry, I never learned these concepts... Could someone help?

AnonymousEdited