hook.Add( "PlayerSay", "ISaid", function( ply, text, team )
    if (string.sub(text, 1, 5) == "/kill") then--if the first 4 letters are /all continue

        if(string.len(text) < 6) then

        ply:Kill()

        end
    else

local textt = string.Explode(" ", text)

local playerk = textt[2]

    for k,v in pairs(player.GetAll())do

        if(string.match(string.lower(v:Nick()),playerk))then

        v:Kill()

        end
    end
end
end)