How can I customize validation messages in Angular ngx-formly?

How can I customize validation messages in Angular ngx-formly?

You can customize validation messages in Angular ngx-formly by using the 'validationMessages' property in your field configuration.

Can you show me an example of how to set that up?

Sure! Here's a simple example:

fields: [
  {
    key: 'email',
    type: 'input',
    templateOptions: {
      label: 'Email',
      required: true,
      validationMessages: {
        required: 'Email is required!',
        email: 'Please enter a valid email address!'
      }
    }
  }
]

What if I want to use a custom validation function?

You can create a custom validation function and use it in the 'validators' property. Here's an example:

validators: {
  customEmail: {
    expression: (control) => validateEmail(control.value),
    message: 'Invalid email format!'
  }
}