Validations is a library for validating data structures.

It allows you to specify validations for method arguments, using `validate_args` to supply validation rules of a hash or array.

Allow for validation of only some attributes

Validates Cnpj

Validates CPF

Simple gem helpful in validating standard credit card forms

Validate HTML files as they leave your app by rack or by mail or by turbo-stream

Email validator that hits freemium providers one by one and returns normalized response.

Inspired by Airbnb blog post https://medium.com/airbnb-engineering/large-scale-payments-systems-and-ruby-on-rails-bfe5b89f6f4 - by including a module in any of your classes, you can validate the type and presence of a method's parameters.

ValidateMyRoutes provides a way to annotate Sinatra routes and validate parameters before executing the route

Validates the given string

Validates a NZ bank account against checksum rules

Provides a clean DSL to validate params for controller actions.

Now you can validate VAT using the European service called VIES, to ensure it exists. Only require this gem and call validate_as_vat_number on your VAT field, in an Active Record object.

Validates wether an association belongs to the same owner

Validates CNPJ and test it with matchers in a simple way.

Brazilian zipcode validations for ActiveRecord, integrated with correios-cep gem.

The purpose of this gem is to validate countrycodes in ISO 3166-1 alpha-2 format

Validates CPF and test it with matchers in a simple way.

Validates CURP and test it with matchers in a simple way.