Fix syntaxerror with commands like \d+
Fix syntaxerror with commands like \d+

MattOates/pgcli,nosun/pgcli,dbcli/pgcli,johshoff/pgcli,bitemyapp/pgcli,joewalnes/pgcli,suzukaze/pgcli,dbcli/vcli,bitemyapp/pgcli,darikg/pgcli,lk1ngaa7/pgcli,n-someya/pgcli,koljonen/pgcli,janusnic/pgcli,MattOates/pgcli,TamasNo1/pgcli,joewalnes/pgcli,zhiyuanshi/pgcli,n-someya/pgcli,j-bennet/pgcli,johshoff/pgcli,d33tah/pgcli,w4ngyi/pgcli,dbcli/vcli,suzukaze/pgcli,koljonen/pgcli,j-bennet/pgcli,janusnic/pgcli,w4ngyi/pgcli,TamasNo1/pgcli,nosun/pgcli,thedrow/pgcli,darikg/pgcli,bitmonk/pgcli,bitmonk/pgcli,dbcli/pgcli,d33tah/pgcli,thedrow/pgcli,zhiyuanshi/pgcli,yx91490/pgcli,yx91490/pgcli,lk1ngaa7/pgcli