grep match lines that do not contain pattern
https://pupli.net/2019/07/29/grep-match-lines-that-do-not-contain-pattern/
grep match lines starts with pattern
https://pupli.net/2019/07/29/grep-match-lines-that-do-not-contain-pattern/
grep match lines that do not contain pattern
https://pupli.net/2019/07/29/grep-match-lines-that-do-not-contain-pattern/
grep match lines starts with pattern
https://pupli.net/2019/07/29/grep-match-lines-that-do-not-contain-pattern/