I first heard about regular expression denial of service (ReDoS) vulnerabilities from GitHub's Dependabot. Several of my projects over the years have had dependencies that suffered from ReDoS ...

If the input is large, it is easy to construct a pattern whose running time would exceed the lifetime of the universe. This creates a security risk when accepting regular expression patterns from ...

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.

Take control of your data and filter out what doesn't help you to improve your search strategy. Learn how with this guide to regex for SEO.

Working with regular expressions I’m also going to cover how to work with regular expressions in JavaScript, though the concepts learned here apply to other languages as well.

Welcome to regular expressions. Regular expressions are the standard for pattern matching across almost all computer languages and many tools, from JavaScript to Visual Studio Code.