Unicode strings in .Net with Hebrew letters and numbers

Question

There is a strange behavior when trying to create string which contains a Hebrew letter and a digit. The digit will always be displayed left to the letter. For example:

<

Answer 1

string A = "\u05E9"; //A Hebrew letter
string B = "23";
string AB = B + A; // !
textBlock1.Text = AB;
textBlock1.FlowDirection = FlowDirection.RightToLeft;
//Ouput Ok - A is left to B as intended.