Validations for european countries VAT numbers

ActiveModel validation for credit card number.

A simple, reliable Ruby gem for sending events to Google Analytics 4 (GA4) using the Measurement Protocol. Features include batch sending, event validation, retry logic, debug mode, and configurable logging. Works with any Ruby application - no framework dependencies required.

Allow for validation of only some attributes

A collection of various validators for Rails forms

Extra validations for Scrivener.

Your favourite validations with Ruby

Helpful rspec matchers for testing validations and associations.

An advance email validator. Checks format, MX record existence for email domain, and SMTP address validation.

A schema parsing and validation library for Ruby

Automatically pass attributes through Sanitize before validation

HasPhoneNumber makes validations for US phone numbers in ActiveRecord models easy.

Provides parsing, validation & accessors

Validations for ruby objects

Simple, powerful, and constraint-based validation

Run OCLint validation with oclint-json-compilation-database and fastlane :dart: :rocket:

Help to format strings in Rails before validation of the Model.

Perform validation of the low level firmware of Apple T2 computers to ensure that nothing evil lurks.

ActiveRecord validations for danish CVR numbers

gem using RapidJSON as a backend to provide fast validation for JSON schemas