Internally, js_regex.compile() replaces JS regex syntax which has a different meaning in Python with whatever Python regex syntax has the intended meaning. This only works for the .search() method - ...

Javascript’s regular expression library is becoming world class, guaranteeing that the odd little pattern language will likely be around for generations to come.

A node package for incremental regular expression matching in JavaScript - matching one character at a time. This is a feature not available in the powerful and fast RegEx capability of JavaScript.

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 ...

The latest JavaScript specification standardizes a well-balanced and thoughtful set of features, including the built-in global Iterator, new Set methods, improvements to regular expressions, and more.