What are some examples of data validation?
Data validation ensures that the data entered meets certain criteria. Examples include checking for valid email formats, ensuring age is a positive number, and verifying that a date is in the correct format.
Can you explain how to validate an email address?
To validate an email address, you can use a regular expression to check if it follows the standard format, like '[email protected]'. Additionally, you can verify that the domain exists.
What tools can I use for data validation?
You can use tools like Google Sheets for basic validation, or programming libraries like Joi for JavaScript, and Pandas for Python.
Are there any common mistakes in data validation?
Yes, common mistakes include not validating data at all, over-restricting input formats, and failing to provide user-friendly error messages.
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