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在这个特别的规则表达式中,出现了' [[:space:]] '字符类。
In this particular regular expression, we encounter the '[[: space:]]' character class.
youdao
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在这个特别的规则表达式中,出现了' [[:space:]] '字符类。
In this particular regular expression, we encounter the '[[: space:]]' character class.
youdao