I've got a big text file. I need to extract all the lines which contains the exact word "DUSP1". Here an example of the lines:
9606 ENSP00000239223 DUSP1 BLAST
9606 ENSP00000239223 DUSP1-001 Ensembl
I want to retrieve the first line but not the second one.
I tried several commands as:
grep -E "^DUSP1"
grep '\<DUSP1\>'
grep '^DUSP1$'
grep -w DUSP1
But none of them seem to work. Which option should I use?
If you want to grep exactly the whole word, you can use word boundaries like this:
grep '\bDUSP1\b'
This matches for the exact word at the beginning and at the end.
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