Regex grouping in Notepad++

Asked Dec 09 '12 at 09:29

Active Dec 09 '12 at 09:40

Viewed 228 times

I am new to Regex and I would like to replace all occurrences of \\.\CNCBx with \\.\CNCBx+8 where x in an integer.

E.g.

serialPort = \\.\CNCB2
serialPort = \\.\CNCB50

Will change to:

serialPort = \\.\CNCB10
serialPort = \\.\CNCB58

I was trying several patterns but can't get it to work:

Find: CNCB(\d*)

Replace with: ($LAST_SUBMATCH_RESULT) + 8 Doesnt work.

If its not possible I will just use python to do it, but I just wonder if it is possible in Notepad++.

edited Dec 09 '12 at 09:40

asked Dec 09 '12 at 09:29

Ofiris

2

Don't know if `Notepad++` has any special magic for this case, but regex and math don't usually get along well. – Lev Levitsky Dec 09 '12 at 09:32
You can't do arithmetic in regex afaik. – goji Dec 09 '12 at 09:32
I see, thanks, I will code a simple find-if-match-replace to do it. – Ofiris Dec 09 '12 at 09:36
1

Would that be `\\.\CNCB11`? – Asad Saeeduddin Dec 09 '12 at 09:36
`\\.\CNCB11` will be `\\.\CNCB19` – Ofiris Dec 09 '12 at 09:40
@Asad, yes, you right, fixed it, thanks. – Ofiris Dec 09 '12 at 09:53
5

What you usually do is use a regex to find the matches and do the replacement through a callback (pretty much any programming language supports that). [Here is an example of how to do this with Notepad++](http://stackoverflow.com/a/12829966/1633117). But if you want to do it with Python anyway that might go even quicker. – Martin Ender Dec 09 '12 at 10:32

0 Answers0