Answers for "grep regex match"

linux grep regex return match

-o, --only-matching Show only the part of a matching line that matches PATTERN.

$ egrep -o 'key w+' file 
key word1
key word2

Posted by: Guest on October-27-2021

grep or match

$ grep "PATTERN1|PATTERN2" FILE
$ grep -E "PATTERN1|PATTERN2" FILE
$ grep -e PATTERN1 -e PATTERN2 FILE
$ egrep "PATTERN1|PATTERN2" FILE

Posted by: Guest on April-12-2021

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