the biggest gain from & and ~ is that they let you mix and match regexes. instead of writing a single spaghetti monster regex that tries to do everything, you can break it down into smaller, simpler pieces and then combine them with boolean operators. this makes your regexes easier to read, write and maintain. this is best illustrated in the web app that came with the paper (https://ieviev.github.io/resharp-webapp/) where you can visually see how the different components of a regex are combined, and how they contribute to the final match.
highWaterMark: 100,
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国家级非遗“吴川飘色”方块吸引众多在场人士拍照留影。
还可以用 SunCalc，通过画面里的阴影方向，推算出拍摄的大概时间。如果声称是昨晚拍的，但阴影显示是正午，基本可以判定造假。
02 伊朗：芯片用在“刀刃”上相对于以色列，伊朗的半导体产业相对落后，无法直接获得先进制程的芯片，伊朗的半导体与其政治策略高度契合，追求针对性、军事化的自给自足。