Function isPhoneNumberValid

auth/phone-visible.ts:168–172

* Returns true if the phone number is valid.

()

 * Returns true if the phone number is valid.
 */
function isPhoneNumberValid() {
  const pattern = /^\+[0-9\s\-\(\)]+$/;
  const phoneNumber = getPhoneNumberFromUserInput();
  return phoneNumber.search(pattern) !== -1;
}

/**
 * Returns true if the ReCaptcha is in an OK state.