While taxes and other trade policies are supposed to be set by Congress, President Donald Trump implemented a collection of global tariffs over the course of his first year in office using executive orders and the International Emergency Economic Powers Act (IEEPA), a law that gives the president expanded control over trade during a global emergency. The Trump administration has positioned tariffs as a way to punish enemies and bargain with trade partners, but many companies have passed the increased price of importing goods onto customers.
another good example is searching through paragraphs (below), which contain some combination of keywords. here the important part is ~(_*\n\n_*), or “does not contain two consecutive newlines”, in other words, the boundary of a paragraph, so it matches paragraphs! then you can combine it with any other regex to find paragraphs that contain certain keywords, but not others. this is very hard to do with traditional regexes without writing a complex and fragile pattern that tries to match the entire paragraph structure.
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This story was originally featured on Fortune.com
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中国信息通信研究院副院长敖立认为，智能网联汽车技术的迭代速度很快，驾驶模式也从“人主导”变为“人车协同”，现有道路交通安全体系难以完全满足智能驾驶产业的发展，应加快完善相关法律法规。