A credit card validation library to check offline validity of any AMEX, Discover, MasterCard, Visa cards using length and Luhn algorithm.

Internal validations library used by the Fanforce codebase.

Encapsulates validations and business logic of class attributes. Currently compatible with ActiveModel validations.

A collection of common validation rules

Tracks each validation error, providing an aggregate to identify UI issues

Extract validations from your database information

Composes validations onto properties of an object.

date validation

Default validations for string and integer attributes

Common validations for G5 Integrations

A lib to help with hash validations, based on Validatable

Validation errors for logging

gem containing logstash code mainly for the purposes of doing programmatic validation of configuration. This gem aims to include all plugins but just enough rubygem dependencies to permit validation.

Validate custom ruby objects using validation defined in the class

Generates: controller file with actions specified in arguments, schema file for param validation written using dry-validation gem, use case class for handling logic of the request, presenter class for serialization of objects, request rspec specs for proper testing

ActiveRecord style validations for Liquid content in your ActiveRecord models. See the README to get the lowdown.

The validation is to compare values between web page values and mobile api responses

A Unicode Normalization Form validation plugin for Rails

Extension for default Rails validations. Adds some useful methods.

Provides really basic postcode validation (intended for eCommerce platforms).