Regular expressions are built into many programming languages and used to match, search, and transform patterns of text in your programs. Get started with Regex.

Filtering and searching in Excel can feel like a guessing game. Regex functions change that. Now, I can pinpoint exactly what I need—complex patterns, partial matches, or structured data ...

Gruber recently improved the regex pattern again, and that seemed like a good opportunity to briefly detail how I’ve integrated his pattern in my workflows. The key to match URLs and provide ...