2021/4/1  Was Already Working
    Expenses:Something          (3 - 1)
    Assets:Cash

2021/4/2  Now Fixed
    Expenses:Something          (3-1)
    Assets:Cash

test reg exp
21-Apr-01 Was Already Working   Expenses:Something                2            2
21-Apr-02 Now Fixed             Expenses:Something                2            4
end test