Replice

Replice is a find-and-replace sidebar for Google Docs. It counts matches as you type, steps through them one by one, and replaces one or all, with Match case, Whole word, regular expressions with $1 groups, and Keep case. It asks for one permission grant and works only in the document you open it in.

What you get

• Free, with no monthly click caps and no usage limits: live match count, next and previous, Replace and Replace all, Match case, Whole word, Regex, Keep case.
• Pro is $12, once, on Payhip. No subscription.
• Pro adds a review list (up to 500 matches at a time; untick the ones to keep, and only the listed rows are replaced), saved rule sets that run in one pass, searching in selections, headers, footers, footnotes and all tabs, and CSV import and export.
• Permissions: the current document only, and the sidebar. No Drive access, no Gmail, no email address.
• Your document text stays in Google Docs. Zecro does not receive it. No AI is used.