const validateEmail = (email) => { let re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)<PIPE>(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])<PIPE>(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/; return re.test(email); };