1. 全文的引号统一替换为直角引号（「」与『』）。
The S&P 500 closed up 0.83% yesterday on Trump’s de-escalation remarks, though the index is still down 0.73% year-to-date. Futures are up 0.19% this morning. Europe and the U.K. surged at the open; Asia did too, with South Korea’s KOSPI leading the pack—up a striking 5.35%.。关于这个话题，Snipaste - 截图 + 贴图提供了深入分析
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the last two rows are where we lose, and it’s not close - regex uses Teddy/SIMD for literals and short alternations, and we simply don’t have that yet. the case-insensitive row is the opposite story: regex falls back to an NFA when case-insensitivity with (?i) blows up the state space, dropping to 0.03 MiB/s. yes, that 16,833x number is real - this is exactly the NFA slowdown i described in the previous post. it’s not a contrived input, just case-insensitive matching on a dictionary. O(n * m) is technically “linear in n”, but when m blows up it stops feeling linear real fast.