Parsing errors when using named groups in regexes

[Janpot]

What version of standard?

11.0.1

What operating system, Node.js, and npm version?

macOS: 10.13.6
node: v10.7.0
npm: 6.10.0

What did you expect to happen?

It would be able to lint code that contains regexes with named groups (stage 4 proposal)

What actually happened?

It fails with a parsing error when you use a regex like that.

Parsing error: Invalid regular expression: /(?<name>[a-z]+)/: Invalid group

[LinusU]

To use experimental syntax you have to use babel-eslint, please see this part of the documentation:

https://github.com/standard/standard#how-do-i-use-experimental-javascript-es-next-features