SHELL-REGULAR-EXPRESSION.txt

https://www.networkworld.com/article/2693361/unix-tip-using-bash-s-regular-expressions.html

https://www.rexegg.com/regex-quickstart.html

https://dzone.com/articles/35-examples-of-regex-patterns-using-sed-and-awk-in

https://www.linuxjournal.com/content/pattern-matching-bash

https://www.youtube.com/watch?v=sa-TUpSx1JA -->  IMP
https://www.youtube.com/watch?v=7DG3kCDx53c

https://www.youtube.com/watch?v=7DG3kCDx53c&list=PLRqwX-V7Uu6YEypLuls7iidwHMdCM6o2w --> IMP VIDEOS --> REGULAR EXPRESSION

https://www.youtube.com/watch?v=xp1vX15inBg&list=PLyb_C2HpOQSDxe5Y9viJ0JDqGUCetboxB --> PYTHON REGULAR EXPRESSION


IMP LINKS BELOW: REGEX CHEATSHEETS

http://web.mit.edu/hackl/www/lab/turkshop/slides/regex-cheatsheet.pdf

https://www.petefreitag.com/cheatsheets/regex/

https://dev.to/catherinecodes/a-regex-cheatsheet-for-all-those-regex-haters-and-lovers--2cj1

https://www.linuxnix.com/regular-expressions-linux-i/