Node.js Email Validation

email_validation.ts

const validateEmail = (email: string) => {
  const re =
    /^(([^<>()\[\]\\.,;:\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 re.test(String(email).toLowerCase());
};

const ifElse = (condition: boolean, ifTrue: any, ifFalse: any) => {
    return condition ? ifTrue : ifFalse;
  };
  
  console.log(ifElse(validateEmail("[email protected]"), "valid", "invalid"));
  console.log(ifElse(validateEmail("olomi@gmailcom"), "valid", "invalid"));
  console.log(ifElse(validateEmail("alphaolomi"), "valid", "invalid"));
  console.log(
    ifElse(validateEmail("alphaolomi@[email protected]"), "valid", "invalid")
  );
  console.log(
    ifElse(validateEmail("[email protected]"), "valid", "invalid")
  );