Faster Vim search/replace

Entering search patterns and replacement strings in Vim can sometimes be a pain, particularly if the search or replacement text is already available in a register or under the cursor. There are a few ways to make working with search and replace in Vim quicker and less cumbersome for some common operations, and thereby save a bit of error-prone typing.

Insert contents of a register

As in command mode or insert mode, you can insert the contents of any register by pressing Ctrl+R and then the register key. For example, to directly insert the contents of register a, you can type Ctrl+R and then a while typing a search pattern or replacement string.

Reference contents of a register

Similarly, if you want to use the contents of a register in a pattern or replacement but don’t want to directly insert it, you can instead reference the contents of register a with \=@a:

:s/search/\=@a/

Both of the above tips work for both the search and replacement patterns, and for special registers like " (default unnamed register) and / (last searched text) as well as the alphabetical ones.

Insert word under cursor

If you happen to be hovering over a word that you want to use as as a search or replacement string, as a special case of the above you can do so by typing Ctrl+R and then Ctrl+W for a normal word, or Ctrl+R and then Ctrl+A for a space-delimited word.

Empty search string

You can use the previous search as a search pattern or replacement string by including it from the special / register, in the same way as any other register above, by inserting it with Ctrl+R and then /, or representing it with \=@/. There’s a convenient shorthand for this however in just using an empty search string:

:s//replacement/

This will replace all occurences of the previous search string with replacement. It turns out to be a particularly convenient shorthand when searching for words by pressing * or #.

5 thoughts on “Faster Vim search/replace

  1. Pingback: vi/Vim | SanRin舎

  2. Pingback: Vim: Empty Search String Uses Last Search Term | nnutter.com

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