Docs: Update example docs for `rename by regex` (#86627)
* baldm0mma/update_regex/ update example docs
* baldm0mma/ push ts
* baldm0mma/update_regex with new exmaples
* baldm0mma/update_regex/ update images
* baldm0mma/regex_update/ update text
(cherry picked from commit ad679c62c6)
Co-authored-by: Jev Forsberg <46619047+baldm0mma@users.noreply.github.com>