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

Bean validation can be used to provide optional entity validation, based on the annotation and XML constraints, validation groups, and group sequences defined by the JSR-303 specification.

Bean验证可用于提供可选的实体验证，基于注释和XML限制、验证组和JSR - 303规范定义组序列。

youdao