What does a dependency marked as `^4.2.x` in the `package.json` mean?

Question

In the`package.json`, what does a dependency marked as

```json
"dependencies":{
 "express":"^4.2.x"
}
```

Accepted Answer

That the project only accepts versions of*express* between 4.2.0(inclusive) and 5.0.0(exclusive)

Answer

That the project only accepts versions of*express* between 4.2.0(included) and 4.3.0(excluded)

Answer

That the project only accepts versions of*express* between 4.2.0(inclusive) and 4.3.0(inclusive)

Answer

That the project only accepts versions of*express* from 4.2.0(included)

Question from the Node.js test