If you thought grep was powerful, wait until you get a hold of ast-grep, which takes it to a whole new level.

Regular expressions are a universal tool for matching, validating, and transforming text across programming languages and command-line tools. They can condense complex string operations into compact, ...

Abstract: A regular expression (regex) is said to be vulnerable to the regex denial of service (ReDoS) attack if the worst-case running time of a matching algorithm on the regex is super-linear in the ...

We’ll start with the most far-reaching addition, which the spec describes as “a new Iterator global with associated static and prototype methods for working with iterators.” The most exciting part of ...

regex is a template tag that extends JavaScript regular expressions with features that make them more powerful and dramatically more readable. It returns native RegExp instances that equal or exceed ...

This is a linear regular expression engine for a subset of JavaScript regexes. The underlying algorithm is an extension of the PikeVM, supporting more JavaScript features. This engine implements the ...

Abstract: Regular expressions (regexes) are a powerful mechanism for solving string-matching problems. They are supported by all modern programming languages, and have been estimated to appear in more ...