I am trying to reposition every line in a .txt file in the following way below. However I have no idea on how to go about it. Is this possible with Notepad++?




Re-ordering Columns in a Text File

Yes this is possible within vanilla Notepad++, though as noted there are also plugins that will do it. A better (more robust) approach might be to use some command-line text-processing tools, but if you need a quick-and-dirty solution you can find that below:

Assuming your exact input (col1|col2|col3, pipe delimeter, no pipe in col2):

Find: (.*?)\|(.*?)\|(.*)

Replace: \1|\3|\2

works for me here in Notepad++, built Jan 2015. Somewhat brutish, but it works.


.* - matches any character (except newline), between zero and unlimited times

.*? - matches any character (except newline) as above, in a non-greedy manner (ie match as little as possible)

(.*) - plain brackets denote capturing group of above (to use in Replace as eg \1, \2, \3 etc )

\| - \ escapes pipe (|) to match it literally

\1|\3|\2 - print 1st matching group, pipe, third matching group, pipe, second matching group

  • My pleasure, I'm glad it helped you and hope it will help others :-) It isn't necessary, but you can also click the tick mark to accept an answer if it solves your problem- you are free not to, or to wait for additional better answers too! – bertieb Aug 3 '15 at 1:24
  • Don't you need to make the .* non-greedy, I.e. .*? to avoid a lot of backtracking? – Ex Umbris Aug 3 '15 at 5:25
  • @ExUmbris: usually the optimization starts when the speed seems inadequate – souser12345 Aug 3 '15 at 9:52
  • OTOH deliberately writing a suboptimal query for the sake of not writing a ? character seems silly. – Lightness Races in Orbit Aug 3 '15 at 12:48
  • 1
    (.*?)|(.*?)|(.*) works for me. – Shaz Aug 3 '15 at 14:17

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