Negative wildcard - exclude specific namespaces and names.

反向通配符(Negative Wildcard)——排除特定的命名空间与名字。

youdao

With the help of the negative wildcard, you can now express the "one and only one userName and anything else" rule as in Listing 4.

借助否定通配符(negative wildcard)，现在可以表示“有且仅有一个userName，但可以有任意多个任何其他元素”规则，如清单4所示。

youdao

With the help of the negative wildcard, you can now express the "one and only one userName and anything else" rule as in Listing 4.

借助否定通配符(negative wildcard)，现在可以表示“有且仅有一个userName，但可以有任意多个任何其他元素”规则，如清单4所示。

youdao