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You'd want to anchor it at the start as there's no point trying to find more matches in the rest of the line if there's none at the start.
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Stéphane Chazelas
Stéphane Chazelas
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GNU grep allows perl regex, so we can do this to find lines containing both word1 and word2.

grep -P ''^(?=.*word1)(?=.*word2)' filename

(see this post) for more details.

GNU grep allows perl regex, so we can do this to find lines containing both word1 and word2.

grep -P '(?=.*word1)(?=.*word2)' filename

(see this post) for more details.

GNU grep allows perl regex, so we can do this to find lines containing both word1 and word2.

grep -P '^(?=.*word1)(?=.*word2)' filename

(see this post) for more details.

added 5 characters in body
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sgu
sgu
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GNU grep allows perl regex, so we can do this to find lines containing both word1 and word2.

grep -P '(?=.*word1)(?=.*word2)' filename

(see this post) for more details.

GNU grep allows perl regex, so we can do to find lines containing both word1 and word2.

grep -P '(?=.*word1)(?=.*word2)' filename

(see this post) for more details.

GNU grep allows perl regex, so we can do this to find lines containing both word1 and word2.

grep -P '(?=.*word1)(?=.*word2)' filename

(see this post) for more details.

Source Link
sgu
sgu
  • 141
  • 3

GNU grep allows perl regex, so we can do to find lines containing both word1 and word2.

grep -P '(?=.*word1)(?=.*word2)' filename

(see this post) for more details.