Used to validate a number is odd or even or palindrome

Ruby Gem to make a validation of a variable or a hash, based on regular expressions or own predefined validation templates in an easy way. See full documentation on GitHub.

UsStatesData is a versatile Ruby gem designed to simplify working with US state data. Whether you're building a geographic application, conducting data analysis, or enhancing your project with location-based features, UsStatesData provides a comprehensive set of methods to streamline your workflow. With UsStatesData, you can effortlessly retrieve detailed information about US states, including lists of counties and zip codes. Need to validate zip codes? UsStatesData has you covered with built-in functionality for zip code validation, ensuring data accuracy and reliability. Whether you're a developer looking to integrate US state data into your application or a data enthusiast exploring geographic trends, UsStatesData empowers you with the tools you need to unlock insights and build impactful solutions.

After each migration it generates a file with some validations. Each active record should include this file and can uns generated validations.

Use database validations and convert ActiveRecord::StatementInvalid into ActiveRecord::RecordInvalid

Config. Defined as a class. Used as an instance. Support for inheritance and composition. Lazy instantiation. Thread-safe. Command-style DSL. Validation layer. Support for YAML, TOML, JSON, __END__, ENV. Extremely simple to define. Extremely simple to use.

Declarative parameter definition and validation for Rails

Mongoid Plugin for ClientSideValidations

DHS ia a Rails-Gem, providing an ActiveRecord like interface to access HTTP-JSON-Services from Rails Applications. Special features provided by this gem are: Multiple endpoint configuration per resource, active-record-like query-chains, scopes, error handling, relations, request cycle cache, batch processing, including linked resources (hypermedia), data maps (data accessing), nested-resource handling, ActiveModel like backend validation conversion, formbuilder-compatible, three types of pagination support, service configuration per resource, kaminari-support and much more.

Ruby Cloud SDK wraps Aspose.Cells REST API so you could seamlessly integrate Microsoft Excel® spreadsheet generation, manipulation, conversion & inspection features into your own applications. Aspose.Cells Cloud for Ruby enables you to handle various aspects of Excel files, including cell data, styles, formulas, charts, pivot tables, data validation, comments, drawing objects, images, hyperlinks, and so on. Additionally, it supports operations such as splitting, merging, repairing, and converting to other compatible file formats.

Push new specifications to a spec-repo without lint validation

No ActiveRecord or Dry-Validation, just plain parameters.

This is the simple REST client for Address Validation API V1. Simple REST clients are Ruby client libraries that provide access to Google services via their HTTP REST API endpoints. These libraries are generated and updated automatically based on the discovery documents published by the service, and they handle most concerns such as authentication, pagination, retry, timeouts, and logging. You can use this client to access the Address Validation API, but note that some services may provide a separate modern client that is easier to use.

ActiveModel validation for email. Including MX lookup and disposable email blacklist

Rack::Cache is suitable as a quick drop-in component to enable HTTP caching for Rack-based applications that produce freshness (expires, cache-control) and/or validation (last-modified, etag) information.

The Atlas Engine is a rails engine that provides a GraphQL API for address validation.

An implementation of the Command Pattern for Ruby with ActiveModel::Validations inspired by the interactor gem. Rich support for attributes, callbacks, and validations, and thread safe performance methods.

Rumale::ModelSelection provides model validation techniques, such as k-fold cross-validation, time series cross-validation, and grid search, with Rumale interface.

ActiveModel/ActiveRecord validator that can wrap other validators to notify of errors so that new validations can be safely added to an existing model.

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