第六章:位置匹配
摘要:
6.1 边界: 文本: The cat scattered his food all over the room. 正则表达式: cat 结果: The cat scattered his food all over the room. 分析: cat将单词scattered 中的cat也匹配出来了 阅读全文
posted @ 2018-05-27 07:08 changlezhong 阅读(116) 评论(0) 推荐(0) 编辑