fixed regex bug when finding block affordances
fixed regex bug when finding block affordances

mitdrc/director,patmarion/director,rdeits/director,edowson/director,openhumanoids/director,RussTedrake/director,mitdrc/director,mithrandir123/director,rdeits/director,rdeits/director,patmarion/director,manuelli/director,RussTedrake/director,mitdrc/director,RobotLocomotion/director,openhumanoids/director,openhumanoids/director,RobotLocomotion/director,empireryan/director,empireryan/director,RussTedrake/director,RussTedrake/director,RussTedrake/director,rdeits/director,openhumanoids/director,mithrandir123/director,RobotLocomotion/director,patmarion/director,gizatt/director,mithrandir123/director,gizatt/director,manuelli/director,RobotLocomotion/director,gizatt/director,mitdrc/director,edowson/director,empireryan/director,patmarion/director,manuelli/director,empireryan/director,manuelli/director,gizatt/director,RobotLocomotion/director,openhumanoids/director,edowson/director,rdeits/director,empireryan/director,patmarion/director,mitdrc/director,gizatt/director,mithrandir123/director,mithrandir123/director,edowson/director,edowson/director,manuelli/director