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How can I use Rspec to check for the absence of certain CSS classes?

Something like this is ugly but should work: it "should not add any class to other inputs" do @buffer.output.should have_xpath( "//form//input[@id='monster_battle_cry'][not(contains(@class, 'integer'))]" ) end repeat [not(contains(@class, 'integer'))] with other classes....
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How to reject specify HTML tags by using css or xpath selector

Simpler is just: doc.search('style,script').remove ...
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How do I specify XPATH or CSS in Nokogiri to scrape a page's table data?

I generally use CSS over XPath, for readability. This is something like I'd use: require 'open-uri' require 'nokogiri' URL = "http://biz.yahoo.com/z/20130828.html" doc = Nokogiri::HTML(open(URL)) table = doc.css('table')[4] data = table.search('tr')[2..-1].map...
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How to select elements when there is a space in an HTML class

If there are spaces in the class attribute value, that means there are multiple classes applied to the element. To locate an element with multiple classes, the css selector is...
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