You can also define your own matcher or use an exact value.
你还可以定义自己的匹配器或者使用一个确定的值。
These two classes — pattern and Matcher — are the whole pattern-matching library.
这两个类(Pattern与Matcher)就是整个模式匹配库。
These two classes — pattern and Matcher — are the whole pattern-matching library.
这两个类(Pattern与Matcher)就是整个模式匹配库。
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