<input matInput prefix="+55" mask=" (00) 00000-0000" [dropSpecialCharacters]="true" type="text" formControlName="phone" name="phone"> With this code I'm
I'm currently playing around with a stackblitz here: https://stackblitz.com/edit/angular-ivy-qr7yav?file=src%2Fapp%2Fanother.component.html With both ng-neat's