Regular expression for testing if a file path is a windows UNC file path. Can also be used as a component of another regexp via the `.source` property.

Glob matching for javascript/node.js. A replacement and faster alternative to minimatch and multimatch.

Create a javascript regular expression for matching everything except for the given string.

Make a regular expression time out if it takes too long to execute

detect possibly catastrophic, exponential-time regular expressions

Regular expression for matching IP addresses (IPv4 & IPv6)

Regular expression for matching semver versions

Generate a regex from a string or array of strings.

Regular expression for getting the root of a posix or windows filepath.

Regular expression for matching astral symbols

Regular expression for matching reserved filename characters

Weapon regeX mutates regular expressions for use in mutation testing.

The best regular expression (regex) for matching hex color values from string.

Clone and modify a RegExp instance

Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of the same string and options, resulting in surprising performance improvements.

Tiny helpers for processing regex syntax

A low-level utility for matching a string against a directed acyclic graph of regexes.

Determine if a function is a native generator function.

Regular expression for matching file names, with or without extension.

Convert Oniguruma patterns to native JavaScript RegExp