摘要: Lookahead and Lookbehind in Regex 阅读全文
posted @ 2017-12-05 14:26 BUTTERAPPLE 阅读(165) 评论(0) 推荐(0) 编辑
摘要: Warm Up Answer: foo Point(3) Anchors Answer: k$ Point(2) It never ends $ not allowed Answer: fu\b Point(4) 或者 u\b Ranges Answer:[a f][a f][a f][a f] P 阅读全文
posted @ 2017-12-05 12:07 BUTTERAPPLE 阅读(454) 评论(0) 推荐(0) 编辑