using System;
using System.Reflection;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
class GatWebUtility
{
static Regex isGuid = new Regex(@"^(\{){0,1}[0-9a-fA-F]{8}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{12}(\}){0,1}$", RegexOptions.Compiled);
public static bool IsGuid(string candidate, out Guid output)
{
bool isValid = false;
output = Guid.Empty;
if (candidate != null)
{
if (isGuid.IsMatch(candidate))
{
output = new Guid(candidate);
isValid = true;
}
}
return isValid;
}
}