OWASP Top 10 Reference Regex for JavaScript

What this pattern does

This page provides a lightweight, single-purpose regular expression for matching owasp top 10 reference, ported and verified for JavaScript. In security-sensitive code, using an unverified regex can open the door to both false positives and denial-of-service attacks. 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

// OWASP Top 10 Reference
// ReDoS-safe | RegexVault — Security > Audit & Compliance

const owaspTop10ReferenceRegex = /^A(?:0[1-9]|10):2021$/i;

function validateOwaspTop10Reference(input: string): boolean {
  return owaspTop10ReferenceRegex.test(input);
}

// Example
console.log(validateOwaspTop10Reference("A01:2021")); // true

Test Cases

When to use this pattern

This pattern is drawn from the Security > Audit & Compliance 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

OWASP Top 10 2021: A01=Broken Access Control, A02=Cryptographic Failures, A03=Injection, A04=Insecure Design, A05=Security Misconfiguration, A06=Vulnerable/Outdated Components, A07=Identification/Authentication Failures, A08=Software/Data Integrity Failures, A09=Security Logging/Monitoring Failures, A10=Server-Side Request Forgery.