Padrão de validação por e -mail Angular
pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}$"
Grieving Gharial
pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}$"validateEmail(email) {
const regularExpression = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
return regularExpression.test(String(email).toLowerCase());
}
<input type="email" name="email" ngModel email>
<input type="email" name="email" ngModel email="true">
<input type="email" name="email" ngModel [email]="true">