grep --only-matching option
| grep --only-matching '[A-Z][a-z][a-z] | wiki – muellis blog : http://blogs.gnome.org/muelli/tag/wiki/ | |
| grep --only-matching '\([A-Za-z]\+\)[[:space:]]\1' data.txt | CIT052 - Regular Expressions : http://evc-cit.info/cit052/review_regex.html | |
| grep --only-matching ' | : http://bash.open-code.club/Linux驛｢・ｧ繝ｻ・ｳ驛｢%9D隶抵ｽｭ・趣ｽｦ驛｢%9D%89/E/egrep.html | |
| grep --only-matching --byte-offset --binary --text --perl-regexp "<\x-hex pattern>" | Binary grep on Linux? - Stack Overflow : http://stackoverflow.com/questions/4180081/binary-grep-on-linux | |
| grep --only-matching allows a caret to match after the end of a previous match instead of only at beginning of line | regular expression - Trouble with grep -o regex - Unix & Linux Stack Exchange : http://unix.stackexchange.com/questions/8892/trouble-with-grep-o-regex | |
| grep --only-matching PATTERN | grep command examples ~ Linux IQ : http://linuxadministrative.blogspot.com/2014/06/grep-command-examples.html |