Look

are there some command or expression to do that ? Regards
You forgot that Notepad3 is a "Simple Text Editor Oriented Coder" and not a word processing or spreadsheet program! π¬ π
Please close ! π π
Just asking -.-
You can do that for lines (prepend or append):

Maybe it is a nice enhancement to do it for a rectangular (column) selection too ("replace selection" with continuous number) π€
Workaround until it is working:
Modify the lines ($(0N) Continuous number) Prefix, rectangular cut the numbers, rectangular select the "XX"s and paste the numbers π

Nice, Thanks =D
Just asking, can be implemented with regular expression (or whatever) on replace box?
Web-Search is your friend: https://stackoverflow.com/questions/12941362/is-it-possible-to-increment-numbers-using-regex-substitution.
Solved. thz
rectangular (column) selection
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How does rectangular (column) selection do it, why can't I do it?