See the Installation page for details on building Ruby from source. If you have an issue compiling Ruby, consider using one of the third party tools mentioned above.

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.

Ruby is a simple and powerful object-oriented programming language, created by Yukihiro Matsumoto (who goes by the handle “Matz” in this document and on the mailing lists).

Jul 15, 2025 · We intend to release the latest stable Ruby version (currently Ruby 3.4) every two months following the most recent release. Ruby 3.4.6 is scheduled for September, 3.4.7 for …

class Struct: Class \Struct provides a convenient way to create a simple class that can store and fetch values. tt>; the first argument, a string, is the name of th

May 14, 2025 · We intend to release the latest stable Ruby version (currently Ruby 3.4) every two months following the most recent release. Following this release (3.4.4), Ruby 3.4.5 is …

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.