Adds validation methods to ActiveModel for validating phone numbers.

A simple, localizable EachValidator for URL fields in ActiveRecord 3.0.

This gem can parse values, validations, documentation, types, groups and conditions of parameters from your puppet modules

Used to validate ContentData objects.

Standalone PORO assertions and validations

Like Active Record's validation feature, but for destroying models

Valcro is a validation library for arbitrary ruby objects. I's primary goal is to remain as simple as possible so that it can be useful to a large surface of use cases remaining easily extensible.

Generation, parsing, and validation of Instructure access tokens

A library for setting up model validations, such as in ActiveRecord.

This plugin adds extra validations to a host.

This engine allows users to inject requests into a queue to be processed. The queue handles bank account validations, credit payments, debit orders and collecting bank statements/notify me statements.

Validation for serialized model objects

A Ruby API providing parsing, generation and validation of CAP(Common Alerting Protocol) messages.

Rails Form Builder supports Client-side validation using jQuery BootstrapValidator plugin. https://github.com/nghuuphuoc/bootstrapvalidator

RUT/RUN Chilean validator for Rails models

FlowChat is a Rails framework for building sophisticated conversational interfaces across USSD and WhatsApp platforms. Create interactive flows with menus, prompts, validation, media support, and session management. Features include multi-tenancy, background job processing, built-in simulator f...

GTIN provides basic validation, checksum and conversion functionality for UPC, EAN and GTIN barcode values.

ActiveRecord Tablefree Models provides a simple mixin for creating models that are not bound to the database. This approach is useful for taking advantage of the features of ActiveRecord such as validation, relationships, nested_attributes, etc.

JSON schema validation for Rails

Settler can be used for defining application wide settings in Rails. Settings are loaded from a YAML file and stored in the database using ActiveRecord to allow users to update settings on the fly. The YAML configuration allows you to not only specify defaults, but setting value validations and t...