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- One particular example is the Kleene star . 一个例子就是克林闭包。
- Any expression that evaluates to a parser may be used with the Kleene Star. 任何产生分析器的表达式都可以用克林星号修饰。
- The Kleene Star is also known as a Kleene Closure, but we call it the Star in most places. 克林星号也被叫做克林闭包,但在很多地方,我们把它叫作星号。
- "Zero or more" implies that the Kleene star always returns a successful match, possibly matching the null string: "". “零到任意多”意味着克林闭包永远返回成功匹配,哪怕是空串""。
- The Kleene star, when called to parse, calls its sole subject zero or more times. 克林闭包被调用时,将调用它的唯一子项零至任意多次。
- The problem with this is that the kleene star will continue looping until it gets a no-match from it's enclosed parser. 这里的问题是,克林星会持续地循环,直至它从内嵌分析器中获得一个不匹配。
- Note that this is a case where the parentheses are necessary. The Kleene star encloses the complete expression above. 注意,这是一个必须使用括号的情况。克林星号修饰范围包括上面整个表达式。
- We have the + positive operator, which matches the preceding symbol one (1) or more times, as well as the Kleene star * which matches the preceding symbol zero (0) or more times. 我们有+加号,匹配(1)到任意多次,我们也有克林星*,匹配零到任意多次。
- this use is known as the Kleene star or Kleene closure after Stephen Kleene. 在 电脑科学 的领域, 星号用于正规表示法来代表零或某个模式(pattern)的重复;
- For a while, the darkling star disappeared behind thick clouds. 隐约出现的星星暂时消失在厚厚的云层後面了。
- He has an urge to become a cinema star. 他渴望当一名电影明星。
- She is crazed about the film star. 她对那位影星着迷。
- All but the morning star have disappeared. 除掉金星以外其他的星星全都消失了。
- The children mobbed the baseball star. 孩子们欢呼着朝那棒球明星围上去。
- The cast of the play included a international star. 这个剧的演员名单中有一位国际明星。
- The coach saved his star player for a trump card. 教练保留他的明星选手,作为他的王牌。
- The film star held court in the hotel lobby. 这位电影明星在旅馆的大厅里接见了影迷。
- The kids went crazy when the film star appeared. 那位影星一出场,孩子们欣喜若狂。
- The star of the film is a previously unknown actor. 这部电影里的明星以前是个默默无闻的演员。
- Many a famous pop star has been ruined by drugs. 很多著名的流行音乐歌星都因使用毒品而毁了自己。