#17 User Registration Part 2 – Advanced Validation & Error Handling | Tutorial #fastapi

Continue building user registration in FastAPI! Add advanced validation, error handling, and complete the signup system.

WHAT YOU’LL LEARN:

✅ Advanced email validation with regex
✅ Password strength requirements
✅ Custom error messages and handling
✅ Creating response schemas
✅ Pydantic validators for input
✅ Testing with invalid data
✅ Code refactoring for production
✅ Complete registration workflow

IMPROVEMENTS COVERED:

Email Validation → Check format and uniqueness
Password Rules → Minimum length, special characters
Error Handling → Clear messages for users
Response Models → Structured success responses
Code Quality → Clean and maintainable code

📖 Pydantic Validators: https://docs.pydantic.dev/latest/
🌐 TechSimPlus Learnings: https://techsimplus.com

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