Email texbox is not validation to my form?

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C#5.0

HTML5

bootstrap

ASP.NET5

, +

Hi Team

im creating mvc asp.net form, i have model and view to do this for my email .But the problem my email textbox is not validating and have used data annotation from model side and view side i have this logic below. Please help me mates to resolve this issue.

What I have tried:

<pre>   [Required]
        [EmailAddress]
        [Display(Name = "Email")]
        [RegularExpression(@"[a - z0 - 9._ % +-] +@[a-z0-9.-]+\.[a-z]{2,}$", ErrorMessage = "This field is required")]
        public string Email { get; set; }

<div class="row">
                    <label for"Email">Email:</label>
                    <div class="input-group col-md-4 col-md-offset-2 col-sm-2 col-xs-2">
                        <div class="input-group pull-right">
                                            
                            @Html.TextBoxFor(m => m.Email, new {@class = "form-control", type="email", placeholder = "example@example.com"})

                            <div class="input-group-append">
                                <div class="input-group-text">

                                </div>
                            </div>
                        </div>
                    </div>
                </div>