What are some examples of custom validation logic?
Custom validation logic refers to rules you create to ensure data integrity. For example, validating an email format.
Can you give me a specific code example?
Sure! In JavaScript, you might use a regex to validate an email: const isValidEmail = (email) => /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/.test(email);
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What about validation in a form submission?
For form submissions, you can check if fields are empty or if they meet certain criteria before allowing submission.
Are there libraries that can help with this?
Yes, libraries like Joi or Yup in JavaScript can help you define and manage complex validation schemas easily.
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