We have several tools on each major platform to install Ruby: On Linux/UNIX, you can use the package management system of your distribution or third-party tools (rbenv and RVM).

The Koans walk you along the path to enlightenment in order to learn Ruby. The goal is to learn the Ruby language, syntax, structure, and some common functions and libraries.

Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and …

In the Playground you can try any Ruby code you like. The Official Ruby documentation is included.

Identical regexp can or cannot run in linear time depending on your ruby binary. Neither forward nor backward compatibility is guaranteed about the return value of this method.

Mar 26, 2025 · Please see the GitHub releases for further details. This version is a last version of normal maintenance for Ruby 3.2 series. We will fix only security issues for Ruby 3.2 series …

Oct 2, 2005 · If you have found an issue that affects a specific Ruby community’s gem, follow the instructions on RubyGems.org. To get in touch with the security team directly outside of …

This system is hosting the development of Ruby language and its related projects. You must register your account and activate it via an email before reporting issues.

Ruby code can raise exceptions. Most often, a raised exception is meant to alert the running program that an unusual (i.e., exceptional) situation has arisen, and may need to be handled.

All rights reserved. You can redistribute and/or modify it under the same terms as Ruby. The Set class implements a collection of unordered values with no duplicates. It is a hybrid of Array’s …