A few of them are almost certainly shortcomings in Ostrich, while others seem to intend to match literal full strings, like ^(로그인하지 않고)$ ("without logging in"). Presumably they're from internal use.
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。关于这个话题，体育直播提供了深入分析
For instance, and this would be very, very bad: a puncture wound.，这一点在快连下载-Letsvpn下载中也有详细论述
COLUMBUS, Ohio—Protestors stood in the snow outside the offices of Ohio’s utility regulator in January to say they were fed up with rising electricity rates.