Nokogiri (é¸) is an HTML, XML, SAX, and Reader parser. Among Nokogiri's many features is the ability to search documents via XPath or CSS3 selectors. XML is like violence - if it doesnât solve your problems, you are not using enough of it.
Gemfile gem 'nokogiri', '~> 1.5.3'
install gem install nokogiri -v 1.5.3