should

  receiver.should(matcher)
    => Passes if matcher.matches?(receiver)

  receiver.should == expected #any value
    => Passes if (receiver == expected)

  receiver.should === expected #any value
    => Passes if (receiver === expected)

  receiver.should =~ regexp
    => Passes if (receiver =~ regexp)

See Spec::Matchers for more information about matchers

Warning

NOTE that this does NOT support receiver.should != expected. Instead, use receiver.should_not == expected