piighost/iban

International Bank Account Number: two-letter country code, two check digits, then 11 to 30 alphanumerics with optional spaces or hyphens. No per-country length table and no mod-97 check, so uppercase reference codes of the same shape are also reported. A country pattern such as fr-iban covers the same span exactly, so whichever is declared first wins: the examples here stay non-French on purpose.

Label: IBAN

Pattern

\b[A-Z]{2}\d{2}(?:[\s-]?[A-Z0-9]){11,30}\b

Must be caught

• Transfer to GB82 WEST 1234 5698 7654 32 before Friday. → GB82 WEST 1234 5698 7654 32
• Beneficiary account: DE89370400440532013000 → DE89370400440532013000

Must be left alone

• Reference AB12 3456
• gb82 west 1234 5698 7654 32

Tags: international, finance, banking

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