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# regjsgen [](https://travis-ci.org/bnjmnt4n/regjsgen) [](https://codecov.io/gh/bnjmnt4n/regjsgen)
Generate regular expressions from [regjsparser](https://github.com/jviereck/regjsparser)’s AST.
## Installation
```bash
npm install --save regjsgen
```
## API
### `regjsgen.generate(ast)`
This function accepts an abstract syntax tree representing a regular expression, and returns the generated regular expression string.
```js
var regjsparser = require('regjsparser');
var regjsgen = require('regjsgen');
// Generate an AST with `regjsparser`.
var ast = regjsparser.parse(regex);
// Modify AST
// …
// Generate `RegExp` string with `regjsgen`.
regex = regjsgen.generate(ast);
```
## Support
Tested in Node.js 0.10, 0.12, 4, 6 and 8.
Version data entries
11 entries across 11 versions & 4 rubygems