Check if a string is a valid Electron accelerator
npm install electron-is-accelerator
$ npm install --save electron-is-accelerator
`
Usage
`javascript
var isAccelerator = require("electron-is-accelerator");
isAccelerator("CommandOrControl+Shift+Z"); // true
isAccelerator("CommandOrControl+F9"); // true
isAccelerator("CommandOrContrl+F9"); // false
isAccelerator("A+Z"); // false
``