kibana-riya/src/core_plugins/timelion/server/lib/split_interval.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

'use strict';

module.exports = function splitInterval(interval) {
  if (!interval.match(/[0-9]+[mshdwMy]+/g)) {
    throw new Error('Malformed `interval`: ' + interval);
  }
  var parts = interval.match(/[0-9]+|[mshdwMy]+/g);

  return {
    count: parts[0],
    unit: parts[1]
  };
};