Indian Passport Number Regex for JavaScript

What this pattern does

This page provides a well-structured, multi-part regular expression for matching indian passport number, 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

// Indian Passport Number
// ReDoS-safe | RegexVault — Identity & PII > Passport Numbers

const indianPassportNumberRegex = /^[ABCDEFGHIJKLMNPRSTUVWYZ][0-9]{7}$/;

function validateIndianPassportNumber(input: string): boolean {
  return indianPassportNumberRegex.test(input);
}

// Example
console.log(validateIndianPassportNumber("A1234567")); // true

Test Cases

When to use this pattern

This pattern is drawn from the Identity & PII > Passport Numbers 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

Indian passports use letters A-Z excluding O, Q, X (reserved). The letter roughly indicates the issuing authority and period. First letter: A-Z (excluding O, Q, X) assigned to different Passport Seva Kendras. Currently issued letters: B, H, J, K, L, M, N, P, R, T, V, W, Y, Z.