/* function that takes a string input and return either it is true of false a valid email address e.g.: mahfoudh.arous@gmail.com -> true e.g.: mahfoudh.arous@helsinki.edu -> true e.g.: mahfoudh.arous.com ->false */ const validateEmail = (str) => { if (str === '' || str === null) { throw new TypeError('Email Address String Null or Empty.') } return /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(str) } export { validateEmail }