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。

How to stop matcher on the first occurrence of a char?

如何阻止匹配器的第一次出现字符?。

It accepts a regular expression and compiles it into a Matcher.

它接受一个正则表达式并将它编译成Matcher。

It's also worth a look for the discussion on route matcher changes.

这也值得讨论修改路由匹配的人看看。

The underscore (_) is a matcher that says the argument can be anything.

underscore(_)是一个匹配器(matcher)，表示参数可以是任何值。