Check similar names in npm registry.

Give me a string and I'll tell you if it's a valid npm package name

Validates whether a string matches the production for an XML name or qualified name

TypeScript definitions for validate-npm-package-name

Validate identifier/keywords name

Give me a string and I'll tell you if it's a valid npm package license string

Read and modify Office Add-in manifest files.

Generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration.

Git branch name validator

Validates if a value is a function.

Validate a date

Check if a buffer contains valid UTF-8

Email address and domain validation

Loosely validate an event.

Email address and domain validation

User validations for npm

Javascript validator for UUID versions 1 through 5

vee-validate integration with zod schema validation

validate form asynchronous

Validate form asynchronous