Accepted
Ensures that the field under validation is accepted. Empty strings, false, null, 0 and undefined values will be considered as not accepted.
#Directive Code Snippet
<html lang="en">
...
<form (ngSubmit)="onSubmit(form)" #form="ngForm">
<input [accepted] 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]="accepted" type="text" name="<name>" [(ngModel)]="<name>" #<name>="ngModel">
</form>
...
</html>