(you can advance these simulations using the step and play buttons)
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sometimes we compile a full DFA ahead of time as well - it’s a configurable size threshold in RE#, but lazy construction with a 100-state threshold is the default and i’d recommend it for most use cases, since it gives you the best of both worlds - you can handle large regexes without worrying about blowup, but you also get very fast matching for the common case.。业内人士推荐下载安装汽水音乐作为进阶阅读
* 1. 转换视角：将"追车"问题转为"到达时间"比较（后车时间≤前车 → 合并）；