中国科学院国家天文台，年过八旬的中国科学院院士汪景琇春节假期一直在办公室忙碌，“有篇科普文章刚开了头，得抓紧写出来。”
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.
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Prices have been fluctuating compared to the other big retailers, but Amazon currently has the competition beat by far — along with only being $2.46 above market price at the time of writing. Walmart is selling Ascended Heroes ETBs for $149.99, TCGplayer for $199.95, and Target for a massive $299.99.
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