kitchen-simulator/es/utils/email-validator.js

It is a kitchen simulator (self-contained micro-frontend).

export var emailValidation = function emailValidation(email) {
  var result = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
  return result.test(String(email).toLowerCase());
};