mechanize：Mechanize::Page::Meta.parse

everyday Ruby

まんま

>> require 'mechanize'
=> true
>> uri = URI.parse('http://current.com/')
=> #<URI::HTTP:0xb746a82c URL:http://current.com/>
>> Mechanize::Page::Meta.parse("5;url=http://example.com/", uri)
=> ["5", "http://example.com/"]
>> Mechanize::Page::Meta.parse("5;url=", uri)
=> ["5", "http://current.com/"]
>> Mechanize::Page::Meta.parse("5", uri)
=> ["5", "http://current.com/"]
>> Mechanize::Page::Meta.parse("invalid content", uri)
=> nil