1 2 3
11 22 33
1 11 2 22 3 33
In notepad++ there is a selection mode the "block". Working with the selection with the mouse while holding Alt.
Why not use Excel or its analogues?
Swipe the space bar on the semicolon and save it in *.csv. Then open a normal Excel already and can be edited in a tabular style, then you can also export to txt. Vertical selection will help only in the case when the sizes of the strings in columns will be the same
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