1.1 ! misho 1: =>(\+|-)(0[0-9]|1[0-1]) ! 2: +01 ! 3: -01 ! 4: +10 ! 5: -10 ! 6: =>[+-](0[0-9]|1[0-1]) ! 7: +01 ! 8: -01 ! 9: +10 ! 10: -10