re = /^
(?:http:\/\/)?
(?:www\.)?
(vk\.com|vkontakte\.ru)
\/
(.*?)?
wall
([-0-9]+_[0-9]+)
$/xi
str = ''
# Print the match result
str.match(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html