C#

string text = "123T234";
Regex regex = new Regex(@"([0-9]{3})[T]?([0-9]{3})");
Match stuff = regex.Match(text); //Groups = [123][234]

Quote:

([0-9]{4})-([1-9]|[1][0-2])-([0-2]?[0-9]|[3][0-1])[T]?([0-1]?[0-9]|[2][0-3])[:]([0-5]?[0-9])[:]([0-5]?[0-9])?.?([0-9]{1,6})[Z]?([+-]?[0-9][\.|,]?[0-9]?|[0-9]{2}?|[+-]?[0][1][0-2][\.]?[0-9]?|[0-9]{2}?)

2014-02-01T14:12:33Z+1

private void OnAddItem()
{
    SubItemViewModel subVM = new SubItemViewModel(Key, null, false);
    IDisposable ss = Observable.FromEventPattern(subVM.Save, "ExecuteEnd").Take(1).Subscribe(x => { LoadList(); });
    SubControl ctrl = new SubControl();
    ctrl.DataContext = subVM;
    WorkspaceUserControlWindow w = new WorkspaceUserControlWindow(ctrl);
    w.Title = subVM.DisplayTitle ?? Key.Value + " - Add Item";
    Observable.FromEventPattern(w, "Closed").Take(1).Subscribe(x => { if (ss != null) ss.Dispose(); });
    w.Show();
}

IDisposable ss= Observable.FromEventPattern(subVM.Save, "ExecuteEnd").Take(1).Subscribe(x => { LoadList(); });