Validation
ISO 4217 Currency Code
Validate 3-letter ISO 4217 currency codes (USD, EUR, GBP, JPY, etc.) — structural check only.
Try it in RegexPro →Available in
Pattern
regexengine-agnostic
^[A-Z]{3}$Raw source: ^[A-Z]{3}$
How it works
^[A-Z]{3}$ requires exactly three uppercase letters, anchored to the full string. This validates the FORMAT but not the existence of the code — pair with a lookup table to ensure it's a real ISO 4217 entry like USD, EUR, GBP.
Examples
Input
USDMatches
USD
Input
JPYMatches
JPY
Input
usNo match
—Common use cases
- •Pricing form validation
- •Multi-currency invoice parsing
- •Financial data ingestion
- •Cross-border payment routing