from enum import Enum

IBAN_PATTERN = r"^[A-Z]{2}\d{2}[A-Z0-9]{11,30}$"


class Currency(str, Enum):
    EUR = "EUR"
    USD = "USD"
    GBP = "GBP"
    CHF = "CHF"

    def __str__(self):
        return self.value

    def __repr__(self):
        return f"Currency.{self.name}"