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.
第二百一十条 对共同海损特殊牺牲和垫付的共同海损特殊费用，应当计算利息。
，这一点在搜狗输入法2026中也有详细论述
Россиянам станет тяжелее снять наличные08:49
16:15, 27 февраля 2026МирЭксклюзив，推荐阅读safew官方版本下载获取更多信息
Input formatting choices (reversed digits, delimiters, etc.) as long as the format is fixed and doesn't encode the answer
-ef # alternate spelling，详情可参考体育直播