具体而言，此表达式为每个名称长度超过 15 个字符的产品匹配类别值。

Specifically, this expression matches the category value for every product that has a name over 15 characters in length.

youdao

虽然保留最初的查询词数组不动，但是为每个词构建了正则表达式。

While leaving the original query words array intact, we build a regular expression for each word.

youdao

无论每个当前词查询的内容为何，都需要一次或多次为字符后接的字符块创建用于搜索的正则表达式。

Regardless of the content of each piece of the current word query, create a regular expression that searches for that chunk followed by a word character one or more times.

youdao