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

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 …

Ruby 3.1 (End of Support 2025-04) Ruby 3.0 (End of Support 2024-04) Ruby 2.7 (End of Support 2023-04) Ruby 2.6 (End of Support 2022-04) Ruby 2.5 (End of Support 2021-04) Ruby 2.4 …

Ruby is an interpreted object-oriented programming language often used for web development. It also offers many scripting features to process plain text and serialized files, or manage system …

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 …

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 …

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.

Formats for Dates and Times Several Ruby time-related classes have instance method strftime, which returns a formatted string representing all or part of a date or time: Date#strftime. …