a Rails gem that allows you to validate a URL entered in a form. It validates if the URL exists by hitting it with a HEAD request. The improved version includes retries for common patterns when the head request is refused before giving a failure notice. It also looks up a SITE_URL constant to...

Validate that your Active Record models comply with legal policies, verified by AI.

A simple domain validation for DKIM and SPF records

ActiveModel validators that validate the type of attributes, and that do recursive validation of contained objects parallel to ActiveRecord's validates_associated.

DefaultLimitAttributes class will add validation of max length for all ActiveRecord model attributes automatically which base on size of fields in database

This gem lets you declaratively specify validations for complex data structures, like those returned from an api.

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, s...

ACE testing knowledge base with guides, testing patterns, and workflow instructions for fast and reliable code validation.

A Ruby library for working with Software Bill of Materials in SPDX and CycloneDX formats. Supports parsing, generation, validation, and format conversion.

Rails' default update_attributes behavior is that when any validation fails, none of the data gets saved. However, in some instances this is not the most ideal behavior. If you import partial data which users then have the task of completing, not saving partially completed forms can create a real...

Parse phone numbers from various formats, validate against country rules, and format as E.164, national, or international. Supports 36 countries with phone type detection, area code lookup, vanity number conversion, SMS shortcode validation, and carrier identification — all without external depen...

A fully-featured Tic Tac Toe engine implemented in Rust with Ruby bindings via Magnus (tic-tac-toe-magnus-rb). Supports move validation, win/draw detection, ASCII board rendering, and an unbeatable minimax AI opponent. Exists mostly to practice Ruby + Rust gem packaging with Nix.

Shoulda Matchmakers generates regression specs for existing ActiveRecord models and ActionController controllers using Shoulda Matchers. It generates specs for model validations, associations, nested attributes, enum definitions, attribute serialization, database columns and database ...

Runs package E2E scenarios through agents with reproducible setup, sandbox isolation, and structured reports for reliable validation workflows.

Adds validations, function creation, function delegation, and key restrictions to arrays and hashes so that they may function similarly to Structs

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 spec...

Generate TW personal ID number randomly and validation

AnyVali Ruby SDK - native validation with portable schema interchange across 10 languages

A library for creating Active Models that can serialize/deserialize to JSON. This includes full support for validation and change detection through nested models. You can write polymorphic models or arrays of models and get full support for natural serialization. Active JSON Model can optionally...

A validator for Rails which truncates validation error messages.