Validar email

validations.ts

export const isValidEmail = (email: string): boolean => {
  const match = String(email)
    .toLowerCase()
    .match(
      /^(([^<>()[\]\\.,;:\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 !!match;
};

export const isEmail = (email: string): string | undefined => {
  return isValidEmail(email)
    ? undefined
    : 'The email does not appear to be valid';
};