the standard that defines leftmost-longest is called POSIX, and despite the name suggesting it’s specific to unix, it’s really just the most natural interpretation: among all matches starting at the leftmost position, pick the longest one. this is what grep does, what awk does, and what RE# does.
06:22, 4 марта 2026Из жизни
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结合博通 AVGO 当前市值（1.5 万亿美元），对应公司 2026 财年税后核心经营利润大约为 27 倍 PE 左右（假定营收同比 +74%，实际经营面毛利率 72%，税率 9.7%）。参考产业链情况，博通 AVGO 的估值依然高于英伟达（20xPE）。相对较高的估值中体现了 ASIC 抢占份额的潜在机会，但行业的整体估值都出现了显著回落。
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