# @babel/plugin-transform-unicode-property-regex Compile [Unicode property escapes](https://github.com/mathiasbynens/regexpu-core/blob/master/property-escapes.md) (`\p{…}` and `\P{…}`) in Unicode regular expressions to ES5 or ES6 that works in today’s environments. **Note:** the Unicode property escape syntax is non-standard and may or may not reflect what eventually gets specified. [Here’s an online demo.](https://mothereff.in/regexpu#input=var+regex+%3D+/%5Cp%7BScript_Extensions%3DGreek%7D/u%3B&unicodePropertyEscape=1) ## Installation ```sh $ npm install @babel/plugin-transform-unicode-property-regex ``` ## Usage ### Via `.babelrc` (recommended) `.babelrc` ```json { "plugins": ["transform-unicode-property-regex"] } ``` ### Via CLI ```sh $ babel --plugins transform-unicode-property-regex script.js ``` ### Via Node.js API ```js require('@babel/core').transform(code, { 'plugins': ['transform-unicode-property-regex'] }); ``` To transpile to ES6/ES2015: ```js require('@babel/core').transform(code, { 'plugins': [ ['transform-unicode-property-regex', { 'useUnicodeFlag': true }] ] }); ``` ## Author | [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") | |---| | [Mathias Bynens](https://mathiasbynens.be/) |