У меня есть список формата данных, показанный ниже.
???m,"N0000001","????(M)","201405","201405","0.57674","0.60831"
???{???Y,"N0000003","????(M)","201402","201402","0.78170","0.68470"
?}???n?j?`??,"N0000004","????(M)","201407","201407","1.54956","1.54956"
???????Y,"N0000015","????(M)","201412","201412","0.95776","0.98891"
и я хочу удалить 'N000000' в этой части. оставьте только действительный номер. вывод должен выглядеть так
???m,"1","????(M)","201405","201405","0.57674","0.60831"
???{???Y,"3","????(M)","201402","201402","0.78170","0.68470"
?}???n?j?`??,"4","????(M)","201407","201407","1.54956","1.54956"
???????Y,"15","????(M)","201412","201412","0.95776","0.98891"
Кто-нибудь знает, какую операцию мне делать?