lib/utils/userStatsValidation.js/containsSeparators
function containsSeparators(eventName) {
  const underscores = (eventName.match(/_/g) || []).length;
  const colons = (eventName.match(/:/g) || []).length;
  if (underscores !== 1) {
    console.log(chalk.red('Tracking Error:'));
    console.log(
      chalk.red(`Event name must have single underscore. "${eventName}" contains ${underscores}`));
    return false;
  }
  if (colons !== 1) {
    console.log(chalk.red('Tracking Error:'));
    console.log(chalk.red(`Event name must have single colon. "${eventName}" contains ${colons}`));
    return false;
  }
  return true;
}