You can limit the categories that are searched, and you can use Boolean expressions and pattern matching to further refine the search.
您可以限制搜索的类别，还可以使用布尔表达式和模式匹配来进一步精化搜索。
Routes make use of regular expressions for pattern matching, and are expressed using XML.
路由在模式匹配时使用正则表达式，并且使用 XML 表示。
Our three languages also share support for regular expressions and pattern matching.
这三种语言都支持正则表达式和模式匹配。
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