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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 )’
## Installation
```bash
```
## 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.
