Regex is used everywhere. Most websites on the internet use it in one form or another. Regex is also common in utilities and applications, like ripgrep, Vim, Neovim, Emacs, and lots more.

Many tools use regular expressions and the core syntax is the same. The source of confusion is that the details beyond core syntax have variations.

Linux is powerful, flexible, and can do just about anything. However, to really get the most out of Linux and your computer (s), there are certain skills and habits you need to bolster; otherwise, you ...

The problem was the developer wasn’t clear on the difference between a regular expression and a glob. Tools like grep use regular expressions to create search patterns.