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《BBC之眼》運用數千段影像、外洩的警方文件以及第一手證詞，揭示了使警方得以對手無寸鐵的抗議者使用實彈的指揮鏈條。
，详情可参考WPS官方版本下载
민주 46% 국힘 21%…지지율 격차 더블스코어 이상 벌어졌다
for example, the regex [a-zA-Z] only cares about two kinds of characters: letters and everything else. so instead of individually taking derivatives for 52 alphabet characters a..z, A..Z, we can conclude from the start that there are only two kinds of characters we care about: letters ([a-zA-Z]) and non-letters ([^a-zA-Z]).