Although these matching functions are very powerful, they are not complete.

尽管这些匹配函数功能非常强大，但它们还不完善。

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While XPath provides a compact and elegant way of traversing an XML tree, its pattern matching functions have a rather limited capability.

尽管XPath提供了一种紧凑和优雅的方式来遍历xml树，但其模式匹配函数的能力相当有限。

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Name-matching software is also becoming more sophisticated and performing other functions.

ECONOMIST: Computing: What's in a name? | The