Hello @peterjones and All,

In your last example, relative to INCREMENT THE COUNTER PER-GROUP INSTEAD OF PER-MATCH, I suppose that we could simplify the final regex from :

editor.rereplace(r'(?s)^{\h*$.*?^},?\h*$', replace_group)

to :

editor.rereplace(r'(?s)^{.+?^},?\h*$', replace_group)

BR

guy038

For the interested user, @MAPJe71 has a collection of Notepad++ Function List definitions (and other useful files) for a wide variety of programming languages:

https://github.com/MAPJe71/Languages

Additional Regex Tester tool (offline): RegEx Tester