16 lines
899 B
Groovy
16 lines
899 B
Groovy
def validateIBAN(String iban) {
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def iso = [AL: 28, AD: 24, AT: 20, AZ: 28, BE: 16, BH: 22, BA: 20, BR: 29, BG: 22,
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HR: 21, CY: 28, CZ: 24, DK: 18, DO: 28, EE: 20, FO: 18, FI: 18, FR: 27, GE: 22, DE: 22, GI: 23,
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GL: 18, GT: 28, HU: 28, IS: 26, IE: 22, IL: 23, IT: 27, KZ: 20, KW: 30, LV: 21, LB: 28, LI: 21,
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LT: 20, LU: 20, MK: 19, MT: 31, MR: 27, MU: 30, MC: 27, MD: 24, ME: 22, NL: 18, NO: 15, PK: 24,
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PS: 29, PL: 28, PT: 25, RO: 24, SM: 27, SA: 24, RS: 22, SK: 24, SI: 19, ES: 24, SE: 24, CH: 21,
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TN: 24, TR: 26, AE: 23, GB: 22, VG: 24, GR: 27, CR: 21]
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iban = iban.replaceAll(/\s/, '').toUpperCase()
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if (iban.size() < 4 || iso[iban[0..1]] != iban.size()) return false
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iban = iban[4..-1] + iban[0..<4]
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def number = iban.collect { Character.digit(it as char, 36) }.join('')
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(number as BigInteger).mod(97) == 1
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}
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