Rule Validation
Rule validation is a software development concept that involves verifying whether data or operations comply with predefined rules, constraints, or business logic. It ensures data integrity, security, and consistency by checking inputs, processes, or outputs against specific criteria. This is commonly implemented in forms, APIs, databases, and business workflows to prevent errors and enforce policies.
Developers should learn rule validation to build robust applications that handle user inputs safely and maintain data quality, such as validating email formats in sign-up forms or enforcing access controls in enterprise systems. It's essential for compliance with regulations (e.g., GDPR), preventing security vulnerabilities like injection attacks, and improving user experience by catching errors early in workflows like e-commerce checkouts.