TL;DR: Unblock XVideos from anywhere in the world with a VPN. The best VPN for unblocking porn sites is ExpressVPN.
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，更多细节参见safew官方下载
Finally, there is (of course!) a large set of regexes that assume a 2-3 characters long TLD, like [a-z0-9._%+-]{1,40}[@]{1}[a-z]{1,10}[.]{1}[a-z]{2,3}. Some of them take the safer path and assume 2-4, for some reason.，这一点在搜狗输入法中也有详细论述
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