func validateBbanLength(value string, structure bban.Structure) error {
bban := extractBban(value)
if len(bban) != structure.Length() {
return ErrInvalidBbanLength
}
return nil
}
func validateBbanStructure(value string, structure bban.Structure) error {
bban := extractBban(value)
offset := 0
for _, part := range structure.Parts() {
value := bban[offset : offset+part.Length]
ok := part.Validate(value)
if !ok {
return ErrInvalidBbanPart
}
offset += part.Length
}
return nil
}