Who dont want to keep the only items which needed and we want to have when working with lots of junk data and want to fetch only which requires :-)
This can be done very easily in NotePad++ .1. Use Ctrl-F to open Search box and Select "Mark"
2. Put the Pattern in "Find What" box (in my case, I want to keep "Singh" only)
3. Then Click on Mark All to Mark all the lines which is having "Singh" in it.
4. When Marked, it will look like below -
5. After marking, Close this pop-up and Go To Search --> Bookmark --> Remove Unmarked Lines
As soon as Click on Remove Unmarked Lines, it will delete the all lines other than marked line.
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