Browse our complete collection of 414+ production-ready validation code snippets, organized by category for easy discovery.
String validation and regex patterns for text processing, email validation, URL checking, and format verification.
173 snippets →Date and time validators including age verification, business day checks, leap year detection, and timezone handling.
20 snippets →File validation snippets for magic byte detection, file size limits, extension checking, and upload security.
25 snippets →Network validators for IP addresses, URL parsing, query parameters, and API endpoint validation.
17 snippets →Cloud infrastructure validators for AWS, Docker, Kubernetes, and CI/CD pipeline configurations.
10 snippets →Security validators for password strength, XSS prevention, token generation, and hash verification.
19 snippets →Backend validators for database queries, array operations, object manipulation, and function utilities.
41 snippets →API validators for HTTP methods, JSON schemas, request/response handling, and webhook verification.
19 snippets →AI-focused validators for prompt injection detection, token counting, and LLM output sanitization.
3 snippets →Financial validators including Luhn algorithm for credit cards, currency formatting, and tax calculations.
28 snippets →Identity validators for passport numbers, SSN, Aadhaar, PAN, and government ID verification.
28 snippets →Mathematical validators for prime numbers, factorials, GCD, and numeric type checking.
25 snippets →Git validators for commit messages, branch names, and CI/CD configuration validation.
6 snippets →SaaS utility validators for subscription handling, user management, and service integration.
0 snippets →Our validator collection is designed to help developers save time and ensure code quality. Each snippet is production-ready, tested across multiple scenarios, and available in various programming languages including JavaScript, TypeScript, Python, Go, PHP, C#, and Rust.
Whether you need to validate email addresses, check password strength, verify credit card numbers using the Luhn algorithm, or sanitize user input against XSS attacks, you'll find the right validator here. All code is MIT licensed and free to use in any project.