```typescript
import { isStringObject } from "node:node__util--types.d.ts";
```
isStringObject(object: unknown): object is String
Returns `true` if the value is a string object, e.g. created
by `new String()`.
```js
util.types.isStringObject('foo'); // Returns false
util.types.isStringObject(new String('foo')); // Returns true
```