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Examples
6
BudiBadu
Online Python validators Compiler
validators is a lightweight, schema-free validation toolbox that covers common inputs like emails, URLs, IP addresses, credit cards, slugs, and UUIDs. Each helper returns a boolean or ValidationFailure, so you can validate single values without defining forms, models, or declarative schemas.[^1]
This compiler bundles validators in the browser so you can prototype validation logic, test edge cases, and compare options instantly. Upload files and folders to work with local data for validation, check whether strings are RFC-compliant emails, detect disposable domains, verify IPv4/IPv6, ensure URLs include schemes, or customize error messages before wiring them into APIs, CLIs, or data-ingestion pipelines. This online compiler is completely free and requires no installation.
The included snippets show practical workflows: validating emails and URLs, inspecting ValidationFailure objects, building helper wrappers, bulk-validating lists, creating custom validators, and combining checks for signup flows. Use them to harden forms, sanitize ETL input, or teach validation best practices.
Who Should Use This
- Backend teams validating request payloads or configs
- Automation engineers cleaning CSVs, spreadsheets, or logs
- Security-minded developers blocking malformed or malicious input
- Product teams prototyping signup and onboarding flows
- Students practicing Python-friendly data validation techniques
Part of the BudiBadu Ecosystem
Specialized Online Python compiler powered by Pyodide WebAssembly. Run Python Library directly in your browser with zero setup.
Pyodide
WebAssembly
Monaco Editor
Python 3.13