RunKit + 
Try any Node.js package right in your browser
This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including atma-regex. Try it out:
var Regex = require('atma-regex');
var rgx = new Regex('(?<=a)([pr])');
var match = rgx.match('-p--apa');
console.log(`Matches '${match.value}' at pos #${match.index}`);
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require()any package directly from npm- use arrow functions, classes, template strings, and most of ES6
awaitany promise instead of using callbacks (example)- create your own embedded node.js snippets
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