How can I implement custom validation in Angular Formly?
An example of an AI chatbot conversation about implementing custom validation in Angular Formly.
How can I implement custom validation in Angular Formly?
You can create custom validation in Angular Formly by defining a validation function and adding it to your field configuration.
Can you show me an example of a custom validation function?
Sure! Here's a simple example: you can create a function that checks if the input value is a valid email format.
How do I attach this validation function to a form field?
You can attach it by adding a 'validators' property to your field configuration, like this: { validators: { validation: { expression: (value) => isValidEmail(value), message: 'Invalid email!' } } }.
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