grep Matching options
-e, --regexp=PATTERN
-f, --file=FILE
-i, --ignore-case
-v, --invert-match
-w, --word-regexp
-x, --line-regexpgrep Matching options
-e, --regexp=PATTERN
-f, --file=FILE
-i, --ignore-case
-v, --invert-match
-w, --word-regexp
-x, --line-regexpgrep or match
$ grep "PATTERN1|PATTERN2" FILE
$ grep -E "PATTERN1|PATTERN2" FILE
$ grep -e PATTERN1 -e PATTERN2 FILE
$ egrep "PATTERN1|PATTERN2" FILECopyright © 2021 Codeinu
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