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Croatian Personal Identification Number (OIB)

  • Published on Sep 2, 2026
  • 1 minute(s) read
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Croatian Personal Identification Number is a permanent national identification number of every Croatian citizen and legal persons domiciled in the Republic of Croatia.

Validator

Croatian Personal Identification - Validates using ISO7064 Mod 11-10 checksum.

Matched expressions

Regex expressions

Description

Score

\b(\d{11})\b

Matches an 11-digit number of the format NNNNNNNNNNN.

1

\bHR(\d{11})\b

Matches a string beginning with "HR" followed by an 11-digit number of the format HRNNNNNNNNNNN.

1



Ignored expressions

None

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