Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`

Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.

Regular expression for matching javascript require statements.

ESLint rules using Regular Expression

Escape RegExp special characters

mjml-validator

Quick and easy Smarty address validation. Written in TypeScript with bundled type declarations.

Escapes a string literal for use as an argument in the standard RegExp constructor.

A tiny, PEG-like system for building language grammars with regexes.

Escapes input characters to be used in regular expressions.

Generate JavaScript-compatible regular expressions based on a given set of Unicode symbols or code points.

Regular expression matching for email addresses. Maintained, configurable, more accurate, and browser-friendly alternative to email-regex. Works in Node v14+ and browsers. Made for Spam Scanner and Forward Email.

A term-regex function-factory actor

URI validation functions

Schema-Inspector is a powerful tool to sanitize and validate JS objects.

Check if a string is a scoped npm package name

A strict ISO 8601 (RFC 3339) datetime validation regex with full calendar correctness (leap years, day/month limits, and timezone validation). Includes a comprehensive node:test suite.

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype, Typanion, Effect-TS and VineJS

Regular expression for matching CSS urls.

Tiny glob->regex converter