To make this code a bit more robust, use a regular expression rather than assuming that the start-tag is exactly as shown above. In particular, you can account for a variety of possible attributes

为了使代码更加健壮，可以使用正则表达式而不是假定起始标签和前面相同。

youdao

The number of namespace declarations that can appear in a single start tag is unlimited.

不限制在单个开始标记中可以出现的名称空间声明的数量。

youdao

Make all namespace declarations up in the start tag of the document element if at all possible.

如果可能，将所有名称空间的声明都编排到文档元素的开始标记中。

youdao

We were all ready to start harshing on the Top Tag Pet ID--a USB thumb drive that contains vital info about your pet--because it seems pretty silly to assume that a lost animal's rescuer would know what the hell to do with that small piece of plastic dangling from Tinkerbelle's collar.

ENGADGET: Top Tag Pet ID USB thumb drive