here’s a subtle but important consequence: in RE#, rewriting your regex using boolean algebra is always safe. factor out common prefixes, distribute over union, apply de Morgan’s laws - the matches won’t change. your regex is a specification of a set of strings, and the engine faithfully finds the leftmost-longest element of that set in the input. no surprises from alternation order, no “well it depends on how PCRE explores this search tree”. just set theory.
为了抓住这群正在“抛弃”传统红酒的年轻人，张裕在过去十年间并非没有作为，陆续推出了好几款面向年轻人的产品，除了长尾猫外，还有醉诗仙、味美思以及小葡气泡酒等，但遗憾的是，这些尝试大多未能在市场中激起太多水花。。关于这个话题，heLLoword翻译官方下载提供了深入分析
back to our matching loop again, we can add one more detail - the next state may or may not exist yet, so we need to check for that and construct it on the fly if it doesn’t:，详情可参考51吃瓜
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Snapchat uses it for DM pictures and videos. Snap previously said it plans to roll out more widely to include text content too