Business::BR is a namespace to place all validations like CPF CNPJ CEP and some other things to be used in a brazilian ruby project.

Swift code validation and lookup Ruby gem - Fork from http://github.com/hugolantaume/iso-swift

Calls the W3C Validator API with every page Jekyll generates and displays the validation errors.

CompositeValidator allows you to validate associated models and compose their validation errors to the parent model. It supports both single associations and collections.

Check on validations, background jobs, third-party integrations, state machines, and business rules

Check on validations, background jobs, third-party integrations, state machines, and business rules

Perform basic validations for ISO 6346 intermodal containers

Implements in-app purchase data parsing, signature validation,

The DynamicSchema gem provides a elegant and expressive way to define a domain-specific language (DSL) schemas, making it effortless to build and validate complex Ruby hashes. This is particularly useful when dealing with intricate configurations or interfacing with external APIs, where data ...

Strict Phlex validation

Pattern for writing callable service objects with contract validation and error swallowing

Vies is a EU service that checks EU VAT business number validation and sends back its information.

Integrates into Rails, allowing you to render JSON-RPC responses and validate incoming requests according to the JSON-RPC 2.0 specification. Includes middleware for strict request validation and a custom renderer. Designed for Rails 8+.

Automatically infer and create Ruby Struct-like classes from arbitrary data sources with runtime type validation

Convert between ISO comment sheet DOCX and structured YAML with schema validation.

A comprehensive Ruby client for interacting with the Rospatent patent search API. Features include automatic caching, request validation, structured logging, error handling, and batch operations for efficient patent data retrieval.

Limitable scans your ActiveRecord database schema for column size limits and defines corresponding model validations so that you don't have to.

A gem that seamlessly converts JSON or hashes into Ruby objects with customizable field validation, type safety, and nested object support.

Used to validate a number is odd or even or palindrome

Parse and generate Portable Action Notation (PAN) strings for representing moves in chess, shogi, and other strategy board games. PAN provides a compact, human-readable format for move logging, game transmission, and database storage. Supports simple moves (e2-e4), captures (exd5), and piece drop...