Once you get the hang of regular expressions, you'll find them invaluable. The trick is to start small - I'll show you how.

That's one example of a regex pattern using an email signature at work. Regular expressions are not unique to Excel—they're available in multiple text editors, programming languages, command ...

The basic syntax is probably best represented by grep. However, if you are using something else you’ll need to check its documentation to see how its regular expressions might be different.