Module: OpenString

Included in:

String

Defined in:

lib/open_string.rb

Overview

Public: Provides extension methods for the built-in String class.

Defined Under Namespace

Modules: CharacterSets, ClassMethods

Instance Method Summary

• #palindrome? ⇒ Boolean

  Public: Determines if self has the same sequence of characters as evaluated from index 0 to self.length and from self.length to 0.

Instance Method Details

#palindrome? ⇒ Boolean

Public: Determines if self has the same sequence of characters as evaluated from index 0 to self.length and from self.length to 0. This ignores whitespace and casing.

Returns true iff self contains the same sequence of characters forwards as it does backwards.

Returns:

• (Boolean)

# File 'lib/open_string.rb', line 11

def palindrome?
  gsub(/\s+/, '').casecmp(reverse.gsub(/\s+/, '')) == 0
end