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正则应该如何匹配类似xf0x9fx91xab的数据

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2016-06-13 11:35:06861browse

正则应该怎么匹配类似\xf0\x9f\x91\xab的数据
我正则应该怎么匹配\xf0\x9f\x91\xab。求帮忙!表达式怎么写??

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