A wrapper for backbone.validation in the Rails asset pipeline

Adds validation methods to ActiveModel for validating phone numbers.

Simple, powerful, and constraint-based validation

DataValidator has almost active_recorde validation methods.

When IBAN validation is not enough

Common Rails validations wrapped in a gem.

ActiveModel email validation. Checks MX records, sub address, regex, whitelisted and blacklisted check

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 simple, localizable EachValidator for URL fields in ActiveRecord 3.0.

Validation for Dutch bank account numbers, Citizen Service Numbers (BSN) and Payment reference

This gem will take care of scopes, validations and normalization

validate-response is a gem for bringing error messages from one or more ActiveRecord objects to the unified structure & highlight validation errors in forms (ajax supported).

Failfast mode for ActiveModel::EachValidator

mydry is a rails generator that enables you to work in a drier way, using the information you already provided in the migration to create your models, for example all the non nulls, uniques, numerics and relations defined in the database are already defined in the model with the corresponding val...

This gem sets the digested value before validation and validates uniqueness of the digested value.

Bare-bones minimum slugs. No validations or versioning.

validate if a string is right email format

Description of SimplePhoneValidation.