What are some examples of validation rules?

What are some examples of validation rules I can use for my data?

Validation rules are criteria that data must meet to be considered valid. Examples include checking for required fields, ensuring data types match (like numbers for age), and setting ranges (like a minimum age of 18).

Can you give me a specific example of a validation rule for an email address?

Sure! A common validation rule for email addresses is to check if the format matches a standard pattern, such as having an '@' symbol followed by a domain name. You can use regular expressions for this.

What about validation rules for phone numbers?

For phone numbers, a validation rule might check that the input consists of only digits and has a specific length, like 10 digits for US numbers.

How can I implement these validation rules in my application?

You can implement validation rules in your application using programming languages like JavaScript or Python. Most frameworks have built-in validation libraries that make this easier.