If you prefer to use numbered groups instead of named groups, this function will still work for you.

如果您喜欢用编号组而非命名组，则此函数仍然有效。

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The above expression will create the same effect as the previous back reference example, but by instead using named groups. It is also significantly easier to read.

上面的表达式将产生和前面的反向引用同样的效果，但通过使用命名组，这将明显地更便于阅读。

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You can even place related Settings into named groups for easier use and readability.

您甚至可以将相关设定置于具名群组内，以期更便于使用并增进可读性。

youdao

The second, and more significant, feature is named groups; instead of referring to them by Numbers, groups can be referenced by a name.

其次，更重要和强大的是命名组；与用数字指定组不同的是，它可以用名字来指定。

youdao

The second, and more significant, feature is named groups; instead of referring to them by Numbers, groups can be referenced by a name.

其次，更重要和强大的是命名组；与用数字指定组不同的是，它可以用名字来指定。

youdao