我有这个使用文本的声明,但是我需要让它只适用于带有(,)小数的数字,现在我被卡住了......
public ref class Form1 : public System::Windows::Forms::Form
    {
    private: Stack<String^>^ talen;
    public:
    Form1(void)
    {
        InitializeComponent();
        //
        //TODO: Add the constructor code here
        //
        talen = gcnew Stack<String^>();
        }
'
private: System::Void btnPush_Click(System::Object^  sender, System::EventArgs^  e) {
    String^ tal = tbxTal->Text;
    talen->Push(tal);
    tbxIn->AppendText(tal + "\n");
    tbxTal->Text = "";
}
private: System::Void Pop_Click(System::Object^  sender, System::EventArgs^  e) {
    while (talen->Count!=0)
    {
        String^ tal = talen->Pop();
        tbxUt->AppendText(tal + "\n");
    }
}