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# RegJSGen Generate `RegExp`s from [RegJSParser](https://github.com/jviereck/regjsparser)’s AST. ## Installation ```bash npm install --save regjsgen ``` ## Usage ```js var regjsgen = require('regjsgen'); // With `regjsparser` var regjsparser = require('regjsparser'); var regex = '^a$'; var ast = regjsparser.parse(regex); // Modify AST // ... // Regenerate `RegExp` regex = regjsgen.generate(ast); ``` ## See Also * [RegJSParser](https://github.com/jviereck/regjsparser) * [RegExp.js](https://github.com/jviereck/regexp.js) ## Testing Run the command ```bash npm test ``` To create a new reference file, execute ```bash node test/update-fixture.js ``` from the repo top directory. ## Support Tested in Node.js 0.8.26~0.10.30. ## Author | [](https://twitter.com/demoneaux "Follow @demoneaux on Twitter") | |---| | [Benjamin Tan](http://d10.github.io/) | ## Contributors | [](https://twitter.com/mathias "Follow @mathias on Twitter") | |---| | [Mathias Bynens](http://mathiasbynens.be/) |