Regan, 27, who played under Dons boss Paul Ince at Macc, has signed a deal running until the summer of 2009.

Dobson, 24, who can also play as a central striker, scored 10 goals in 27 appearances in the Blue Square Premier.

He joined Stevenage at the beginning of last season after spells with Cheltenham and Barnet.

"It's a great opportunity for me to play football for a team that is doing well, and a club that's moving in the right direction," said Dobson.