retrieve locale and language info of windows os

winLocale.js

const spawn = require('child_process').spawn;

const locales = spawn('systeminfo.exe', []);
const localeReg = /([a-z]+-[a-z]+);/ig;

let result = "";

locales.stdout.on('data', (data) => {
  if(data && data.length > 0){
    result += data;
  }
});

locales.stderr.on('data', (data) => {
  console.log(`stderr: ${data}`);
});

locales.on('close', (code) => {
  console.log(`child process exited with code ${code}`);
  let parts = localeReg.exec(result);
  if(parts){
    console.log('Region or Locale: ' + parts[0]);
  }
  parts = localeReg.exec(result);
  if(parts){
    console.log('Input language: ' + parts[0]);
  }
});