Raised when a feature is not implemented on the current platform. For example, methods depending on the fsync or fork system calls may raise this exception if the underlying operating system or Ruby runtime does not support them.| docs.ruby-lang.org
Public Class Methods| docs.ruby-lang.org
Regular expressions (regexps) are patterns which describe the contents of a string. They’re used for testing whether a string contains a given pattern, or extracting the portions that match. They are created with the /pat/ and %r{pat} literals or the Regexp.new constructor.| docs.ruby-lang.org
Raised when the arguments are wrong and there isn’t a more specific Exception class.| docs.ruby-lang.org
A String object has an arbitrary sequence of bytes, typically representing text or binary data. A String object may be created using String::new or as literals.| docs.ruby-lang.org
A File object is a representation of a file in the underlying platform.| docs.ruby-lang.org
What’s Here¶ ↑| docs.ruby-lang.org