Ícone esquerdo com primng

<span class="p-input-icon-left">
    <i class="pi pi-search"></i>
    <input type="text" pInputText [(ngModel)]="value1" placeholder="Search">         
</span>

<span class="p-input-icon-right">
    <i class="pi pi-spin pi-spinner"></i>
    <input type="text" pInputText [(ngModel)]="value2" >        
</span>
Horrible Herring