Using regex in the Find and Replace feature of RStudio to replace captured group with lower case

Some years ago, the Find & Replace feature of RStudio didn't have the capability of replacing captured regex groups with lower/upper cases, due to the fact of being implemented with PCRE library, as explained in this answer.

I wonder if this behaviour has changed in last updates, if the library has been updated (I see in the web of PCRE that it has a version PCRE2 -which does RStudio use?-) or if it has been changed by another regex library like boost.

Or maybe, it could be a suggested feature for the near future. Would it be possible?

Thank you!

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