func IsValid(input string) bool {
	iban, err := From(input)
	if err != nil {
		return false
	}
	return iban.Valid()
}
// IsValid validates the IBAN for its proof number
IsValid validates the IBAN for its proof number
// IsValid validates the IBAN for its proof number
func IsValid(input string) bool {
	iban, err := From(input)
	if err != nil {
		return false
	}
	return iban.Valid()
}
func IsValid ( input string ) bool { iban , err := From ( input ) if err != nil { return false } return iban . Valid ( ) }
IsValid validates the IBAN for its proof number
IsValid validates the IBAN for its proof number