# regjsparser

**Repository Path**: mirrors_babel/regjsparser

## Basic Information

- **Project Name**: regjsparser
- **Description**: Parsing the JavaScript's RegExp in JavaScript.
- **Primary Language**: Unknown
- **License**: BSD-2-Clause
- **Default Branch**: fork
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-09-14
- **Last Updated**: 2026-03-14

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# RegJSParser

> This is a fork of [jviereck/regjsparser](https://github.com/jviereck/regjsparser) with some additional patches. The end goal is to merge these patches upstream.

Parsing the JavaScript's RegExp in JavaScript.

## Installation

```bash
npm install @babel/regjsparser
```

## Usage

```js
var parse = require('@babel/regjsparser').parse;

var parseTree = parse('^a'); // /^a/
console.log(parseTree);

// Toggle on/off additional features:
var parseTree = parse('^a', '', {
  // SEE: https://github.com/jviereck/regjsparser/pull/78
  unicodePropertyEscape: true,

  // SEE: https://github.com/jviereck/regjsparser/pull/83
  namedGroups: true,

  // SEE: https://github.com/jviereck/regjsparser/pull/89
  lookbehind: true
});
console.log(parseTree);
```

## Testing

To run the tests, run the following command:

```bash
npm test
```

To create a new reference file, execute…

```bash
node test/update-fixtures.js
```

…from the repo top directory.