how to validate form in angular2

Question

Hello,

I have a form that contains an email, password and password confirmation

I have to check if user has entered a valid email and password must be minimum of 8 characters (upper case, miniscule, number) and password confirmation = password

how to do it please without using the classes I want a simple method

And thank you in advance

 

 

<div class="container" >
        <div class="panel-body">
        <div class="row">
        <label for="email">Email</label>
            <div class="form-group">
                <input [(ngModel)]="user.email" id="email" class="form-control"
                    type="email" />

            </div>
        </div>

        <div class="row">
        <label for="password">Password</label>
            <div class="form-group">
                <input [(ngModel)]="user.password" id="password" class="form-control"
                    type="password" />

            </div>
        </div>

<div class="row">
        <label for="passwordconf">Password Confirmation</label>
            <div class="form-group">
                <input  id="passwordconf" class="form-control"
                    type="password" />

            </div>
        </div>

                <span>{{errorMsg}}</span>
                <button (click)="login()"
                    class ="btn btn-primary"
                    type="submit" name="action">Login</button>

                    <a [routerLink]='["/register"]'>Register</a>
            </div>
        </div>