まんま require "hpricot" X =<<EOS <a href="blah.com" id="p-1">Some text</a> <a href="blah.com" id="p-2">Some text</a> <a href="blah.com" id="p-3">Some text</a> <a href="blah.com" id="P-4">Some text</a> EOS doc = Hpricot(X) p doc/"a[@id^=p-]" で、 #<Hpricot::Elements[{elem <a href="blah.com" id="p-1"> "So…</hpricot::elements[{elem>