How To Remove Lines Not Containing A Word

Asked Nov 05 '19 at 19:21

Active Nov 05 '19 at 19:30

Viewed 12 times

I have a large text file with lines and I just want to keep the lines that have the word "cat" in it. Is there anyway to achieve this with regex? I'm using VS code for the editing. Any help you can provide would be greatly appreciated.

To clarify it further, I'm trying to remove the lines that doesn't contain the word "cat" like below.

my text document looks like this (example)

cat 1
dog 2
cat 3
dog 4
fish 1

edited Nov 05 '19 at 19:30

asked Nov 05 '19 at 19:21

Berglund

1

RegEx allows you to describe patterns. The rest is done by a programming language. – PM 77-1 Nov 05 '19 at 19:24
Hi, yes, I'm trying to figure out the pattern to replace it using vscode. – Berglund Nov 05 '19 at 19:25

How To Remove Lines Not Containing A Word

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