The visitors will have been the more disappointed of the two sides to go in still goalless at the break after failing to make the most their chances.
The draw kept Cheltenham in mid-table while 19th-placed Stanley have an eight-point gap from the bottom two with games in hand.
Charlton did their play-off push no harm with a 2-0 League One win at home to struggling Bristol Rovers. Two first-half goals led to a comfortable victory for the south London side, while the visitors ...