1 Regexp: (\+|-)(0[0-9]|1[0-1]) 2 +01: Ok 3 -01: Ok 4 +10: Ok 5 -10: Ok 6 Regexp: [+-](0[0-9]|1[0-1]) 7 +01: Ok 8 -01: Ok 9 +10: Ok 10 -10: Ok 11
