Last updated on November 24, 2020 by Dan Nanni
There are cases where you search for files that contain a specific string or term. That is when Linux utilities such as
egrep can help. What if you are looking for files that must match more than one string? Here is a quick run down on how you can use
egrep to match multiple strings.
grep for files that contain any of multiple keywords:
$ grep --color -E "word1|word2|word3" *.txt
grep for files that contain all multiple keywords:
$ grep -l word1 *.txt | xargs grep -l word2 | xargs grep -l word3
grep for files that contain multiple words (without any order) in one line:
$ grep word1 *.txt | grep word2 | grep word3
grep for files that contain multiple ordered words in one line:
$ egrep '(word1.*word2.*word3)' *
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