How to quickly edit the config?

Question

linux

Hello.
How to quickly edit configs where there is:
variable1 = value1
variable2 = value2

sed -i "s/переменная1 = значение1/переменная1 = значение3/g" /data.conf

Through sed already fed up, because I think there is a better way?

Answer 1

And than standard editors do not suit? Like Vim or Nano?

Answer 2

What does "fast" mean? Hands? Script?