System.Text.RegularExpressions.Interpreter.TryMatch C# (CSharp) Method

		private bool TryMatch (ref int ref_ptr, int pc) {
			Reset ();
			
			int ptr = ref_ptr;
			marks [groups [0]].Start = ptr;
			if (Eval (Mode.Match, ref ptr, pc)) {
				marks [groups [0]].End = ptr;
				ref_ptr = ptr;
				return true;
			}

			return false;
		}