Rack validation middleware using Swagger

Adds CPF, CNPJ and Email validation

Gem for turning off validations and callbacks in test environment

In this version, this toolkit allows the generation, validation and formating of CPF's and CNPJ's. For now, the use is exclusive to Brazil.

CubitComponents provides a set of layout-focused ViewComponents with built-in Tailwind CSS support and utility class validation.

A schema language / type system / validation framework, for semi-structured data and for data in dynamic languages

The `Type` gem provides tools for type-validation and type-casting, and is useful for ensuring well-formed messages are passed to external APIs/

Takes the Instruction Input as Rule, parse the CSV files and applies the validation and returns valid and invalid units

A State Machine implementation of a UTF-8 Encoding Validation algorithm.

extend ActiveRecord validations by checking if a string is a valid email address

Rails' default update_attributes behavior is that when any validation fails, none of the data gets saved. However, in some instances this is not the most ideal behavior. If you import partial data which users then have the task of completing, not saving partially completed forms can create a real...

Rspec model tests only comes with one line: 'pending "add some examples to (or delete) #{__FILE__}"'. This gem seeks to populate the model spec with basic tests like validations, relationships, etc..., and then some.

A macro-style method that will automatically read the database contraints (null requirements, string length, etc) and enforce those at the model level to keep validation more DRY. Provides many options to customize how automatic it is and what columns it affects.

CivilService provides a base class for your service objects. With CivilService, you can use ActiveModel validations to do pre-flight checks before the service runs, and create your own result object classes to capture the results of complex operations.

Dynamic uniqueness validator to validation two fields before save in db.

Parameter validation extension for Sinatra

Adds an abstract EachValidator superclass that you can use to create localizable validations.

Small and extensible data validation toolkit

Hashie2 + ActiveModel 3, offering declared properties, validations, JSON serialization/deserialization

Validates polish identification numbers NIP, PESEL, REGON. Can be used in any ruby script or integrated with Rails validation