Web Forms :: Regex To Unmatch Input String Containing Not Paired Double Quote

I want to write a Regex in DataAnnotations that can unmatch a input string containing not paired double quote " ie. check if zero or a paired double quote allowed in a input string.

matched case:
abcde
"abcde"
abc"d"e

unmatched case:
"abc"de"
"abcde
abc"de
abcde"

MY EXISTING CODE FYR:

using System.ComponentModel.DataAnnotations;
using Microsoft.Web.DynamicData;
namespace EDMModel
{
[MetadataType(typeof(DETAIL_MetaData)), ScaffoldTable(true)]
public partial class DETAIL{}
public class DETAIL_MetaData
{
[Required, RegularExpression(@"[^~`!@#%&()={}|:;'<>,./+?*^$]*", ErrorMessage = "Unsupported Character detected"), StringLength(20), Display(Order = 21)]
public object NAME1 { get; set; }