“我这次全程超过2500公里的驾驶里程，期间只有一次遇到了充电排队，而且也只等待了20分钟。”
a very common use case for regexes is to find matches that are preceded or followed by some context. a classical example being all lines that end with ‘a’. this requirement is usually expressed with a lookahead, where upon finding an ‘a’, you look ahead to check if it’s the end of the line. in a backtracking engine, this is very easy to implement - you just duct-tape the logic that checks the next character, but in a DFA-based engine, this is impossible because you cannot report “the match is here” if the next character is not even known yet. and by the time you know the next character, the position information is lost, so you can’t report the match retroactively (well, unless the distance is fixed of course..).
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从财务视角来看，短期账面浮亏显著。但从公司业务来看，其锁定了高端整车客户，进一步巩固了产业链主导权。
科威特衛生部通報，在伊朗攻擊期間，一名女孩被落在住宅區的彈片擊中而身亡。