[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] Rank property, System.Array class  rational numbers, types for  read-only properties  readonly keyword  reassignment operator  rectangular arrays  2nd  red dot and red highlighting, in VS.NET debugger  ref keyword  2nd  reference types      arrays as      classes as      value types being treated as  ReferenceEquals() method, Object class  Regex class  Regex constructor  regular expressions      book about      literals in      metacharacters in  relational operators  remainder in division, finding  Remove() method     StringBuilder class      System.String class  RemoveAt() method, ArrayList class  Replace() method     Regex class      StringBuilder class  Reset() method, IEnumerator interface  responsibilities of an object  return statement  Reverse() method     ArrayList class      System.Array class  root class  rows, in two-dimensional array  Run() method  2nd  runtime