File: no-regexp-named-capture-groups.md

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# es/no-regexp-named-capture-groups
> disallow RegExp named capture groups

- ✅ The following configurations enable this rule: `plugin:es/no-new-in-es2018`, `plugin:es/restrict-to-es3`, `plugin:es/restrict-to-es5`, `plugin:es/restrict-to-es2015`, `plugin:es/restrict-to-es2016`, and `plugin:es/restrict-to-es2017`

This rule reports ES2018 [RegExp named capture groups](https://github.com/tc39/proposal-regexp-named-groups#readme) as errors.

## Examples

⛔ Examples of **incorrect** code for this rule:

<eslint-playground type="bad" code="/*eslint es/no-regexp-named-capture-groups: error */
const r1 = /(?&lt;a&gt;b)c/
" />

## 📚 References

- [Rule source](https://github.com/mysticatea/eslint-plugin-es/blob/v4.1.0/lib/rules/no-regexp-named-capture-groups.js)
- [Test source](https://github.com/mysticatea/eslint-plugin-es/blob/v4.1.0/tests/lib/rules/no-regexp-named-capture-groups.js)