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In some regex implementations there are only nine of them, however, with most contemporary Javascript implementations you can have up to 99 such capture-groups (where such groups are 1-based).
So I'm working with Cypress and I'm attempting to understand how to verify a URL via regex matching; but I want to use several character sets in the regex, and I want to add a variable as well.
New features in ECMAScript 2022 include top-level await, RegExp match indices, new public and private class fields, and more. Let's get started!
Many programming languages feature regular expressions—or “regex” for short—which are used to find patterns in strings of text. A regex library is a mini-language for describing patterns ...