It sure would be awesome if ActiveResource actually allowed us to do client-side validation of our ActiveResource objects like their documentation promises: http://apidock.com/rails/ActiveResource/Base

Add a validation headers filter to your rails controller.

Validate an email address using RFC 822 pattern match regex regular expressions

Basic document validation

The Wechat Validator engine handles the Wechat server validation requests. 微信验证器引擎处理微信服务器的验证请求。

Checksum validation for New Zealand IRD numbers. See http://www.ird.govt.nz/how-to/irdnumbers/ for details of what an IRD is.

RailsRestKit provides a comprehensive solution for building RESTful Rails controllers with minimal boilerplate. It automatically generates standard CRUD actions (index, show, new, create, edit, update, destroy) with built-in lifecycle callbacks and validation states (valid/invalid). The gem inclu...

Params validations for Ruby on Rails

Beautiful JSON Schema validation with Rails-native syntax, context-aware rules, and production-ready monitoring. Features include ActiveRecord-like schema definitions, multiple error message types, performance optimization with caching, internationalization support, and extensive Rails integratio...

Compares the differences between a structure.sql file and a database and reports the inconsistencies.

RSpec matches for Mongoid models, including association and validation matchers

A Rails engine for semantic HTML forms with enforced internationalization. Provides reusable form components with built-in accessibility, validation states, and strict i18n requirements.

A gem that generates Ruby classes for JSON schema validation of API endpoints based on their Swagger documentation.

EnvCheck is a lightweight Ruby gem that ensures your required and optional environment variables are present and valid before your app boots. Features smart config discovery (.env_check.yml or config/env_check.yml), comprehensive type validation with 9 built-in validators, .env loading with doten...

Allow to store ActiveModel validations in ORM.

Validate event schema with JSON Schema with json-schema ruby library.

Run OCLint validation with oclint-json-compilation-database and fastlane :dart: :rocket:

Help to format strings in Rails before validation of the Model.

Perform validation of the low level firmware of Apple T2 computers to ensure that nothing evil lurks.

ActiveRecord validations for danish CVR numbers