If onlyGermany is true, it will return false for any IBAN not starting
with "DE". If false, non-German IBAN will be verified but no national
methods will be applied.
IMPORTANT: A positive result does not does not necessarily mean that
the account exists; it only checks for structure and check digit!
Validate (German) IBAN
If
onlyGermanyis true, it will return false for any IBAN not starting with "DE". If false, non-German IBAN will be verified but no national methods will be applied.IMPORTANT: A positive result does not does not necessarily mean that the account exists; it only checks for structure and check digit!