Perform previous substitution for different selection with single keystroke

Question

I performed following command

:'<,'>s/2/digit/g

on the code below manually visually selected:

return _.round(this.getTotalAbs(), 2).toFixed(2);

And it worked as intended

return _.round(this.getTotalAbs(), digit).toFixed(digit);

Now I want to repeat the same substitute command on another code snippet manually selected via visual selection mode, with one keystroke(if possible).

Answer 1

I think you want to do @: which replays the last ex command.

See :h @:

Note that this command can be called from normal mode and from visual mode. Also in this case it is not useful but you can also prefix it with a count.

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Edit In the comments @Antony pointed out an interesting command: :& (:h :&):

• & can be used in normal mode to repeat the last substitute command without its flags
• :&& can be used in ex mode to repeat the last substitute command keeping the flags.