,{"firstName":"Elliotte","lastName":"Harold","email":"elharo@macfaq.com"}],"authors":[{"firstName":"Isaac
例如,Isaac(?=Asimov)只有跟着'Asimov'才会匹配'Isaac'。(?!...)匹配如果...与下一个匹配。这是一个负面的前瞻断言。例如,Isaac(?!