re = /^(<[^<>]*>;\srel=\"(next|prev|last|first)\"(,\s)?)*$/
str = '<https://api.github.com/user/25254/followers?page=21>; rel="next", <https://api.github.com/user/25254/followers?page=332>; rel="last", <https://api.github.com/user/25254/followers?page=1>; rel="first", <https://api.github.com/user/25254/followers?page=19>; rel="prev"'
# 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