# unicode-canonical-property-names-ecmascript [![Build status](https://travis-ci.org/mathiasbynens/unicode-canonical-property-names-ecmascript.svg?branch=master)](https://travis-ci.org/mathiasbynens/unicode-canonical-property-names-ecmascript) _unicode-canonical-property-names-ecmascript_ exports the set of canonical Unicode property names that are supported in [ECMAScript RegExp property escapes](https://github.com/tc39/proposal-regexp-unicode-property-escapes). ## Installation To use _unicode-canonical-property-names-ecmascript_, install it as a dependency via [npm](https://www.npmjs.com/): ```bash $ npm install unicode-canonical-property-names-ecmascript ``` Then, `require` it: ```js const properties = require('unicode-canonical-property-names-ecmascript'); ``` ## Example ```js properties.has('ID_Start'); // → true properties.has('IDS'); // → false ``` ## Author | [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") | |---| | [Mathias Bynens](https://mathiasbynens.be/) | ## License _unicode-canonical-property-names-ecmascript_ is available under the [MIT](https://mths.be/mit) license.