Meta-characters. There are special characters in regular expressions, some of them include: d matches any digit, equivalent to [0-9]; D matches any character that’s not a digit, equivalent to ...

Regular expressions are a powerful tool for working with text data in JavaScript. They allow you to search, manipulate and extract specific parts of a string with precision. Although regular ...

We present RexStepper, a reference debugger for troubleshooting JavaScript regular expressions in the browser. Rexstepper is implemented on top of Rexref, a trusted reference implementation of ...

The built-in JavaScript regular expression engine can, under certain special combinations, run in exponential time. This situation can trigger what's referred to as a Regular Expression Denial of ...

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.