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 ...

Like JavaScript expressions, AngularJS expressions can contain literals, operators, and variables. Unlike JavaScript expressions, AngularJS expressions can be written inside HTML. AngularJS ...

Abstract: Regular expressions are notoriously difficult to get right, with developers often having to resort to trial-and-error approaches. Even so, little attention ...

One of the most useful features of JSX is the ability to embed JavaScript expressions directly into it. In this exercise, you'll get practice using expressions in page elements and attributes.

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 ...

Your browser does not support the audio element. For example, let’s say a treasure chest has been designed such that only Glad (that’s me) should be able to open ...