How to Find and Replace Markup in Scrivener 1.9.7 for Microsoft Windows

Re: User Manual & Scrivener 1.9.7 for Microsoft Windows.

Apologies in advance, but I have been unable to find an answer to my question by googling, using the manual, and by asking in the Facebook group (thread deleted on account of off-topic replies), so need to ask it here.

I need to Find and Replace each period within a document so that each sentence becomes a unique paragraph.

If I were to use MS Word, I would Find period ( . ) and replace it with the markup carat-p ( ^p ). This is illustrated here:

Thus far, I have been unable to find the necessary markup codes to enter in the Scrivener Find/Replace dialog box:

QUESTION:

What codes and/or markup do I use in the Replace field to Replace All instances of periods into periods followed by returns so that each sentence is its own unique paragraph?

Thanks in advance.