Customer.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;

namespace TeamDBAwesome.Models
{
    public class Customer
    {
        //alpha upper and lowercase, spaces, dots and dashes from 2 to 20 chars
        [RegularExpression(@"^([A-Za-z\s\.-]{2,20})$")]
        public string FName;

        //alpha upper and lowercase, spaces, dots and dashes from 2 to 20 chars
        [RegularExpression(@"^([A-Za-z\s\.-]{2,20})$")]
        public string LName;

        //alpha upper and lowercase, spaces, dots, dashes, numbers, colons, pounds and commas from 2 to 70 chars
        [RegularExpression(@"^([A-z\s\-\d\.\#\:\,]{2,70})$")]
        public string Address;

        //alpha upper and lowercase, spaces, dots and dashes from 2 to 40 chars
        [RegularExpression(@"^([A-Za-z\s\.-]{2,40})$")]
        public string City;

        //alpha upper and lowercase, spaces, dots and dashes from 2 to 40 chars
        [RegularExpression(@"^([A-Za-z\s\.-]{2,40})$")]
        public string State;

        //5-15 digit long numbers
        [RegularExpression(@"^(\d{5,15})$")]
        public string Post;

        //alpha upper and lowercase, spaces, dots and dashes from 2 to 40 chars
        [RegularExpression(@"^([A-Za-z\s\.-]{2,40})$")]
        public string Country;

        //match a 10-15 digit long number
        [RegularExpression(@"^(\d{10,15})$")]
        public string Phone;

        //match a 10-15 digit long number
        [RegularExpression(@"^(\d{10,15})$")]
        public string Fax;

        //an Email Address
        [EmailAddress]
        public string Email;

        //alpha upper and lowercase, spaces, dots and dashes from 2 to 80 chars
        [RegularExpression(@"^([A-Za-z\s\.-]{2,80})$")]
        public string Company;

        //both of these are just ints
        public int SupportRepId;
        public int PersonID;
        public int CustomerID;
    }
}