# Basic syntax: grep 'word1\|word2\|word3' /path/to/file # This prints all lines that match word1, word2, OR, word3
Just use one of following forms with grep or egrep commands :) grep "PATTERN1\|PATTERN2" FILE grep -E "PATTERN1|PATTERN2" FILE grep -e PATTERN1 -e PATTERN2 FILE egrep "PATTERN1|PATTERN2" FILE