need a way to mark where the page breaks are

[Alan Kilborn]

HERE @Paul-Harouff asked:

Sometimes I use Notepad++ to edit long plain text files (not code) and I need a way to mark where the page breaks are. How hard would it be to add the capability to highlight line numbers (e.g., put a dot next to 64, 128, 192, etc.)? Or is there a plugin that already adds this capability?

Here’s one way to do it, with a Mark All operation from the Mark tab on the Find family of windows:

Find: (?-s)(.*\R){63}\K.*\R
Wrap around: ticked
Purge for each search: ticked
Search mode: Regular expression

This would highlight every 64th line in red.

It isn’t dynamic, though, so you’d have to rerun it after changing data.

[Alan Kilborn]

If the 64th line of a group happens to fall on a blank line with no content, the Mark operation would not show that – no text to color red.

To solve this case, perhaps using “bookmarks” will help. Add this condition to the original Mark All operation:

Bookmark line: ticked

This would show like this on an affected line: