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修复表述错误
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linmii 2020-03-22 00:01:09 +08:00 committed by GitHub
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@ -649,7 +649,7 @@ result.indices.groups // { Z: [ 4, 6 ] }
上面例子中，`exec()`方法返回结果的`indices.groups`属性是一个对象，提供具名组匹配`Z`的开始位置和结束位置。
如果如何获取成功组匹配，`indices`属性数组的对应成员则为`undefined`，`indices.groups`属性对象的对应成员也是`undefined`。
如果获取组匹配不成功，`indices`属性数组的对应成员则为`undefined`，`indices.groups`属性对象的对应成员也是`undefined`。
```javascript
const text = 'zabbcdef';