What is validation in backend development?
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What is validation in backend development?
Validation in backend development ensures that the data received from users is accurate and secure before processing.
Why is data validation important?
Data validation is crucial to prevent errors, ensure data integrity, and protect against malicious inputs.
What are some common validation techniques?
Common techniques include type checking, format validation, and using libraries like Joi or express-validator.
Can you give an example of a validation rule?
Sure! A common rule is to check if an email address is in a valid format using regex.
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