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

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

$ hledger -f- check

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