In vim there is `\zs` and `\ze` where `\zs` is the `\K` equivalent in grep. Basically :%s/hello \zsworld\ze out there/planet/g would find all `hello world

In vim there is `\zs` and `\ze` where `\zs` is the `\K` equivalent in grep. Basically :%s/hello \zsworld\ze out there/planet/g would find all `hello world out there` and replace `world` to `planet`.