The first time I ever encountered a regular expression was many years ago now, but I still remember my first thoughts on it: What is this string-like thing? I don’t want to touch it, it looks scary. I ...

A regular expression (shortened as regex or regexp), sometimes referred to as rational expression, is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by ...

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 ...

Leveraging the power of the XRegExp JavaScript regular expression library, RegexTool delivers an efficient and helpful interface to create, diagnose, and test your regular expressions.