The regular expression library in Javascript starts out with the regex match() function. At it’s simplest, match() acts as a Boolean value to indicate whether or not a section of text matches or ...

JavaScript’s RegExp object, which holds a regular expression, is what we need here. Regular expressions are a big subject, and there are plenty of FAQs on them on the Web.

Regular expressions are great, but remember, the objective is parsing, that means extracting information from a string. Capture groups are usually how you deal with variability.

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 ...

Regular expressions, or ‘regex’, are like an in-line programming language for text searches that allow you to include complex search strings, partial matches and wildcards, case-insensitive ...

The ECMAScript 2025 specification will likely be finalized in June, with finished proposals including JSON modules, new regex capabilities, and new Set methods published by year-end.