if you have already used the command you want recently, just start writing the command you want, then press the up arrow to search through your history for comm

if you have already used the command you want recently, just start writing the command you want, then press the up arrow to search through your history for commands that start with whatever you've typed so far. also, a nit pick, if you use Magic mode (\v), that pattern gets way better: :g/\v(\d{1,3}\.){3}\d{1,3}/y A