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

Ruby Programming Language Documentation Ruby master Ruby 4.0 Ruby 3.4 Ruby 3.3 Ruby 3.2

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

See class Float for the constants that affect Ruby’s floating-point arithmetic. What’s Here Trigonometric Functions ::cos: Returns the cosine of the given argument. ::sin: Returns the sine …

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 …

Apr 18, 2025 · Ruby was first developed by Matz (Yukihiro Matsumoto) in 1993, and is now developed as Open Source. It runs on multiple platforms and is used all over the world …

Ruby’s grammar differentiates between statements and expressions. All expressions are statements (an expression is a type of statement), but not all statements are expressions.

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.

This document contains Frequently Asked Questions about Ruby with answers. This FAQ is based on “ The Ruby Language FAQ ” originally compiled by Shugo Maeda and translated into English …