Whether I do.

10 Followers
10 Following
16 Posts
Professional nerd and IT Security Engineer.
Most of the time I don't know what I want to say myself - so better don't ask.
Regex is so easy. also check my regex tutorial https://www.cyberciti.biz/faq/grep-regular-expressions/
Regular expressions in grep ( regex ) with examples

Regular Expressions in grep - Learn how to use regular expressions (regex) in grep to search for text/words in Linux, macOS or Unix-like operating systems.

More accurate job description for Cyber Security:
Reality check people's dreams and destroy them. Know applications better than their creators and prove them wrong every time they say "we are not affected by this exploit".