(I post this now because it was closer to my first thought on how to approach the problem, and wanted to write it out to see if it was shorter. It wasn't, but maybe it'll be useful to someone. I learned about
<ctrl-r>/
(fills in a search and replace with the previously searched expression), while writing it.
Another approach is something like:
But alas, that's 21 keystrokes.(I post this now because it was closer to my first thought on how to approach the problem, and wanted to write it out to see if it was shorter. It wasn't, but maybe it'll be useful to someone. I learned about <ctrl-r>/ (fills in a search and replace with the previously searched expression), while writing it.