static public bool Parse2Key(string s)
{
Regex isuuid = new Regex(@"^[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}$", RegexOptions.Compiled);
if (isuuid.IsMatch(s))
{
return true;
}
else
{
return false;
}
}