摘要: 1. 正向前查找(positive lookahead) 正则表达式:q(?=u)u 源文本:quit 结果:qu 解释:Let's take one more look inside, to make sure you understand the implications of the look 阅读全文
posted @ 2019-04-23 18:58 Jane&Coding 阅读(238) 评论(0) 推荐(0)