speakers =  {“mlg″, “DevDane″, “T0tallyN0tATr0ll”}  — Those who can say the command. change this into the names you want.

banned =  {“EvilPerson”, “BadUsername”, “MrEnemy”}  — Those who are banned



function checkSpeakers(name)



 — check if name matches a speaker

 for i,v in pairs(speakers) do

 — convert names to all upper case, otherwise we will allow

 — “Telamon” but not “telamon” or “tELAMON”

                if (string.upper(name) == string.upper(v)) then return true end

        end

        return false

end



function banPlayer(banner, victim)



 — remove if the victim is not also the speaker

 if (victim ~= banner) then

 victim:kick("shrektbyadmin")

 banned[victim.Name] = victim.Name
 end

end



function matchPlayer(str)



 — find all players that start with the str

 — if there is only one, match it

 — 0 or 2+, don’t match it

 local result = nil



 local players = game.Players:GetPlayers()



 for i,v in pairs(game.Players:GetPlayers()) do

 if (string.find(string.lower(v.Name), str) == 1) then

 if (result ~= nil) then return nil end

 result = v

 end

 end



 return result

end



function onChatted(msg, recipient, speaker)



 — convert to all lower case

 local source = string.lower(speaker.Name)

 msg = string.lower(msg)



 — ban the following players

 — “ban telamon buildman wookong”

 if (string.find(msg, “ban”) == 1) then — msg starts with “ban”

 — words and numbers

 for word in msg:gmatch(“%w+”) do

 local p = matchPlayer(word)

 if (p ~= nil) then

 banPlayer(speaker, p)

 end

 end

 end

end



function onPlayerEntered(newPlayer)



 — remove banned player if they try to come back in

 for i,v in pairs(banned) do

 if (v:lower() == newPlayer.Name:lower()) then

 newPlayer:kick("BannedFromServer)

 end

 end

 if checkSpeakers(newPlayer.Name) then

 newPlayer.Chatted:connect(function(msg, recipient) onChatted(msg, recipient, newPlayer) end)

 end

end



game.Players.PlayerAdded:connect(onPlayerEntered)