NG Absolute Form Validator - V14.0

CVV

The CVV rule validates the short security code printed on a payment card, checking that the field contains only digits and falls within the typical 3-to-4-digit length used across card networks (3 digits on Visa, Mastercard, and Discover; 4 digits on American Express). It's meant to be used alongside the Credit Card rule on a checkout form, catching an obviously mistyped or wrong-length security code before the payment is submitted to your processor.

#Directive Code Snippet
<!DOCTYPE html> 
<html lang="en"> 
    ...
    <form (ngSubmit)="onSubmit(form)" #form="ngForm">
		<input cvv type="text" name="<name>" [(ngModel)]="<name>" #<name>="ngModel">
	</form>
    ...
</html>
#Chain Rule Code Snippet
<!DOCTYPE html> 
<html lang="en"> 
    ...
    <form (ngSubmit)="onSubmit(form)" #form="ngForm">
		<input [Rule]="cvv" type="text" name="<name>" [(ngModel)]="<name>" #<name>="ngModel">
	</form>
    ...
</html>
#Reactive Form Code Snippet
//component.ts 
export class ReactiveComponent{

	public form  !: FormGroup;

  	constructor(
      	private fb : FormBuilder,
		private rv : ReactiveValidator,
	){this.generteForm()}

	generteForm(){
		this.form = this.fb.group({
			<name> : ['',this.rv.map('cvv',<CUSTOM_MESSAGE>)],
		})
	}
}

//component.html 
<!DOCTYPE html> 
<html lang="en"> 
    ...
    <form [formGroup]="form">
		<input type="text" name="<name>" formControlName="<name>">
        <ng-absolute-validator [formInstance]="form.get(<name>)"></ng-absolute-validator>
	</form>
    ...
</html>