Looking at the code, you can see that the regular expression pattern was set to match a line that contained 20-29%.

查看该代码，可以看到正则表达式模式被设置为匹配某个包含20 - 29%的行。

youdao

You can set the feature values of an annotation by assigning a sub-pattern of the regular expression rule-a match group-to the feature.

通过把正则表达式规则的子模式(匹配组)分配给特性，可以设置注解的特性值。

youdao

The match variables are NOT set when weighted scoring is used, since the same pattern is matched multiple times.

当权重打分的时候，MATCH变量将不被设置，因为相同的模式被匹配了多次。

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