Australian Individual Healthcare Identifier (IHI) Regex for JavaScript

What this pattern does

This page provides a lightweight, single-purpose regular expression for matching australian individual healthcare identifier (ihi), ported and verified for JavaScript. Identity and credential patterns need both correctness and safety, since they're frequent targets for adversarial input. The snippet below is ready to drop into your JavaScript project — whether you're validating in an Express middleware, a Next.js API route, or a client-side form.

Javascript Implementation

// Australian Individual Healthcare Identifier (IHI)
// ReDoS-safe | RegexVault — Identity & PII > Health Identifiers

const australianIndividualHealthcareIdentifierIhiRegex = /^800360[0-9]{10}$/;

function validateAustralianIndividualHealthcareIdentifierIhi(input: string): boolean {
  return australianIndividualHealthcareIdentifierIhiRegex.test(input);
}

// Example
console.log(validateAustralianIndividualHealthcareIdentifierIhi("8003601234567890")); // true

Test Cases

When to use this pattern

This pattern is drawn from the Identity & PII > Health Identifiers category and carries a ReDoS-safe certification. That matters for JavaScript developers because especially critical in long-running Node.js event loops where a ReDoS vulnerability can block the entire process. RegexVault audits patterns against known backtracking attack vectors, ensuring you have the necessary context before using this regex in a high-stakes production environment.

Common Pitfalls

Technical Notes

IHI prefix is 800 360 (HI Service prefix). 16 digits total. Luhn check digit on the last digit. Used in the national health record system (My Health Record). Distinct from Medicare number — IHI is the national unique healthcare identifier.