@classmethod
  def CanCanonicalizePhone(cls, phone):
    try:
      Identity.CanonicalizePhone(phone)
    except InvalidRequestError:
      return False
    return True
Given an arbitrary string, checks that it is in the expected E.164 phone number
dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/identity.py/Identity.CanCanonicalizePhone