To comply with simple email validation to RFC5322.

Email address validation using RFC 822 pattern matching regular expressions

Validations for Ohm models

For making dm-validations work the way Byron expects it will

Claricle provides a Ruby library for working with images, offering tools for image validation (PNG, SVG), format conversion, compression, and vector graphics processing. The name combines "clarity" and "particle", representing the clear validation of every pixel. It is built to integrate function...

ActiveModel child model validations delegater.

Regex is a versatile Ruby library designed to simplify form validation by providing a collection of regular expressions tailored for common form fields. Whether you're building a web application, validating user input, or processing form submissions, this library offers a set of regex patterns th...

Subvalid allows you to use a familiar syntax to define validator classes to validate plain objects. Rather than hard coding single validation logic into the objects themselves, different validation logic can be used depending on the context.

ShipEngine's easy-to-use REST API lets you manage all of your shipping needs without worrying about the complexities of different carrier APIs and protocols. We handle all the heavy lifting so you can focus on providing a first-class shipping experience for your customers at the best possible pri...

Simple clean validation errors that can be used independently

PngConform provides a comprehensive PNG, MNG, and JNG file validation library in pure Ruby. It validates file structure, chunk validity, CRC checksums, zlib compression, and profile conformance. Built with a layered architecture using BinData for binary parsing, Lutaml::Model for domain models, a...

gstin_validation validates Indian gstin numbers based on the check digit. The last character in a gstin number is the checksum digit. Checksum digit is generated based on the first 14 characters of the gstin number.

Perform validation on your node's attributes from a Cookbook's attribute metadata definitions.

Module which provides sexy validations for models.

This is an improved input function for Ruby. Using this gem, you can easily get user input with real-time type validation, ensuring that the data provided is as expected, among other things. If you have any questions, check the documentation: https://github.com/barrosflavio/ruby_better_inpu...

Validate custom ruby objects using validation defined in the class

Provides some extra validations for ActiveModel.

Realtime remote form input validations delivered via websockets

Simple model and validation mixins for RubyMotion

A gem/plugin for Rails 3+ that enables client-side validation using ActiveModel + HTML5