当然，正则表达式被限定为严格的字符串比较。

Of course, regular expressions are limited to strict string comparisons.

youdao

正则表达式 /(wn|vera|gazetteer|foldoc)/ 将把打印输出限定到提供相关简要描述的那些数据库。

Regular expression /(wn|vera|gazetteer|foldoc)/ limits the printout to those databases that provide relatively terse descriptions.

youdao

用来定义要搜索的XML部分的XPath表达式没有包含名称空间前缀——换句话说，没有包含完全限定的元素名称(QName)。

The XPath expression used to define the XML part to search in does not contain the namespace prefix — the fully qualified element name (QName), in other words.

youdao