Emirates ID is an identity card issued by Federal Authority for Identity and Citizenship of United Arab Emirates. This script validates Emirates ID format and check digit.

1. Validate Emirates ID using the regular expression /^784[-]*\d{4}[-]*\d{7}[-]*\d$/
2. Use Luhn algorithm to calculate check digit and compare

• https://u.ae/en/information-and-services/visa-and-emirates-id/emirates-id
• https://learn.microsoft.com/en-us/purview/sit-defn-uae-identity-card-number
• https://en.wikipedia.org/wiki/Luhn_algorithm