ModelToValidate.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
using Microsoft.AspNetCore.Mvc.Rendering;


/// <summary>
///  Developer console: -->    $.validator.unobtrusive.adapters
///  Lists all available clientside validation functions
/// </summary>
public class JobApplication
{

    [Required(ErrorMessage = "NameRequired")]
    [Display(Name = "Job applicant name")]
    [NameValidateAttribute(NotAllowed = new string[] { "Osama Bin Laden", "Saddam Hussain", "Mohammed Gaddafi" }, ErrorMessage = "ForbiddenPerson")]
    public string Name { get; set; }

    [CustomDate]  //<-- custom attribute
    // https://stackoverflow.com/a/9519493/2581562
    // must be in format yyyy-mm-dd
    [Required(ErrorMessage = "Required")]
    //[Remote("ValidateDate", "Job", ErrorMessage = "DOB")]
    public DateTime DOB { get; set; }

    [Required(ErrorMessage = "SexRequired")]
    public string Sex { get; set; }

    [DataType(DataType.Currency, ErrorMessage = "Currency")]
    [Required(ErrorMessage = "Required")]
    [CurrencyMustMeetCulture(ErrorMessage = "Currency")]
    public decimal Price { get; set; }

    [Required(ErrorMessage = "Required")]
    [Range(1, 6, ErrorMessage = "RangeAllowed")]
    [RegularExpression(@"^[1-6]{1}$", ErrorMessage = "RangeAllowed")]
    public int Experience { get; set; }

    //[Range(typeof(bool), "true", "true", ErrorMessage = "You must accept the Terms")] <-- doesn't work as expected
    [MustBeTrue(ErrorMessage = "AcceptTerms")]
    public bool TermsAccepted { get; set; }

    [RegularExpression("^[a-zA-Z0-9_\\.-]+@([a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,6}$", ErrorMessage = "EmailValid")]
    public string Email { get; set; }

    /// <summary>
    /// Keeps the items for the select -> options dropdownlist
    /// </summary>
    [ValidateNever]
    public SelectList ExperienceSelectOptions { get; set; }

}