@cowprotocol/cow-sdk
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> This is a fork of [bnjmnt4n/regjsgen](https://github.com/bnjmnt4n/regjsgen) with some additional patches. The end goal is to merge these patches upstream.
> - [be866435](https://github.com/babel/regjsgen/commit/be86643508658c70ccb5bec8bc4e3dc2479cac62) _feat: support modifiers proposal_ ([bnjmnt4n/regjsgen#28](https://github.com/bnjmnt4n/regjsgen/pull/28))
Generate regular expressions from [regjsparser][regjsparser]’s AST.
```sh
npm i regjsgen
```
This function accepts an abstract syntax tree representing a regular expression (see [regjsparser][regjsparser]), and returns the generated regular expression string.
```js
const regjsparser = require('regjsparser');
const regjsgen = require('regjsgen');
// Generate an AST with `regjsparser`.
let ast = regjsparser.parse(regex);
// Modify AST
// …
// Generate `RegExp` string with `regjsgen`.
let regex = regjsgen.generate(ast);
```
Tested in Node.js 10, 12, 14, and 16.<br>
Compatible with regjsparser v0.7.0’s AST.
[]: https://github.com/bnjmnt4n/regjsgen/actions
[]: https://github.com/bnjmnt4n/regjsgen/workflows/Node.js%20CI/badge.svg
[]: https://codecov.io/gh/bnjmnt4n/regjsgen
[]: https://codecov.io/gh/bnjmnt4n/regjsgen/branch/master/graph/badge.svg
[]: https://github.com/jviereck/regjsparser