A simple domain validation for DKIM and SPF records

Europe is a simple library for retrieving EU government data such as VAT information, VAT validation, currency exchange rates and country information.

The purpose of Saphyr is to provide a nice and simple DSL to easily and quickly design a validation schema for JSON document.

ActiveModel Validation for email

Google libphonenumber library was taken as a basis for this gem. Gem uses its data file for validations and number formatting.

A small and efficient validation library for Rails and anything that uses Ruby.

Validation layer for any business logic with a declarative rule-oriented API.

Phone number validation

A parser which converts dry-validation or dry-struct into valid swagger documentation

A parser which converts dry-validation contract schema into a readable hash for further manipulation

xlsx spreadsheet generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx helps you create beautiful Office Open XML Spreadsheet documents (Excel, Google Spreadsheets, Numbers, LibreOffice) without having to understand the entire ECMA specifica...

A workflow tool to: reconcile bank-downloaded csv's into categorized pta journals. Run finance validations on those journals. And generate csvs and plots on the output.

Validations mixin for Ruby objects and support for Hanami

gem using RapidJSON as a backend to provide fast validation for JSON schemas

A toolkit for building modeling frameworks like Active Record. Rich support for attributes, callbacks, validations, serialization, internationalization, and testing.

Databases on Rails. Build a persistent domain model by mapping database tables to Ruby classes. Strong conventions for associations, validations, aggregations, migrations, and testing come baked-in.

DecoLite is a little gem that allows you to use the provided DecoLite::Model class to dynamically create Decorator class objects. Use the DecoLite::Model class directly, or inherit from the DecoLite::Model class to create your own unique subclasses with custom functionality. DecoL...

Provides basic ORM functionalities like CRUD operations, transaction support, and custom validations.

Allows one to implement object validations without writing too much code

Reliable contract definition, data validation, and type checking for Ruby.