susannej

// really, really, really simple - only regex based - bic check
// /(?i).../ is the java equivalent to /.../i
boolean bicCheck(String bic) {
	bic ==~ /(?i)[a-z]{6}[a-z2-9][a-np-z0-9]([a-wyz0-9][a-z0-9]{2})?(x{3})?/ ? true : false
}

susannej

// really, really, really simple IBAN check and helper methods
boolean ibanCheck(String iban) {
	String iban2 = iban2DB(iban)
	String bban = iban2.substring(4)
	String lkzPrf = iban2.substring(0,4)

	String ibanDec = ""
	(bban + lkzPrf).each { c ->
		if (c >= "0" && c <= "9")
			ibanDec += c