Nested Attributes Validation Collection for Rails

Nested validations allow a parent's validity to include those of child attributes. Errors messages will be copied from the child attribute to the parent.

Keep mailing list subscriptions in sync with your models

Middleware to render Markdown Documents in Nexmo Developer Platform.

Solução para criar, validar e transmitir NF-e

NFSeCarioca é um cliente ruby com foco na geração da Nota Carioca

A utility library to generate and validate UK NHS numbers.

A form object.

NIS validation for ActiveModel

Gem that encapsulates the NMI Direct Post API in an ActiveRecord-like syntax

No Bullshit Password strength checker. Inspired by "Password Rules are Bullshit" by Jeff Atwood. https://blog.codinghorror.com/password-rules-are-bullshit/ (Fixed to work with Rails 7)

Core data objects for Noodall

An ActiveModel extension that automatically converts all non-English digits to English digits before validation. https://github.com/aalyahya/normalize_digits

Avoid storing blank strings

Norman is not an ORM, man! It's a database and ORM replacement for (mostly) static models and small datasets. It provides ActiveModel compatibility, and flexible searching and storage.

Parses BeerXML files into ruby objects

This is a simpler wrapper object to make it easy to build usefule Enum/Value Objects

It can validate a number or generate a random number.

This gem allows you to validate a license plate number from a chosen country/region. It also provides a validator for ActiveModel and a CLI. It currently only supports Singapore and Malaysia (not exhaustive.

NIP validator