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.
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树立和践行正确政绩观，就是要坚持民生为大，为群众多办实事，让群众可感可及。“我们要求真务实、真抓实干，创造更多经得起实践、人民、历史检验的实绩。”春天里，即将启程，盛弘干劲满满。