Whether or not you can use Multi-Editing mode is determined by the Settings > Preferences > Editing > ☑ Enable Multi-Editing (Ctrl+Mouse click/selection checkbox: with it checkmarked, Ctrl+Click will add caret locations with it not checkmarked, Multi-Editing is disabled. This allows performing the same editing actions (typing, copy/cut/paste/delete, arrowing through the text) in multiple locations, even if they aren’t lined up in a nice column, or even if there are lines between the carets that you don’t want to affect. Multi-Editing mode allows you to make multiple caret selections by using Ctrl+Click for each additional caret. (Example: to get F- 1F, column-select 17 rows and set the initial number to 15 – it will not allow F.) Note: that the numerical boxes above are always in decimal, even if a different format is chosen for display.

☐ Leading zeros will cause all the numbers to have the same number of digits, by adding leading zeros for the smaller values.

Repeat will repeat the same number n times.

With a value of 0 (or if left empty), it will insert the same number every time. Increase by will change the step between numbers.Initial number sets the starting number.The Number to Insert will insert increasing numbers.The Text to Insert will use the same text in every row.The Column Editor dialog, accessed via Edit > Column Editor, allows you to insert text or numbers in every row of the active Column Mode selection: This is implemented for making working with rectangles of text (instead of whole lines of text) more convenient. If you copy/cut in column mode, then you copy/cut a rectangle of text, which can be pasted over an identical-sized rectangle elsewhere, or pasted into a separate document or separate application. In column mode, typing will type the same thing in all the rows of the column.

Using Alt + Mouse dragging or Alt + Shift + Arrow keys to make a selection in column mode:

Notepad ++ add to end of line