How to increment numaric values only of alphanumeric values

Question

proId = 'nam001'

I want to increment numeric values only. That should be like this 'nam002', 'nam003'. How to do this?

do you get the original `nam001` as a value from somewhere else? or do you create it in your own code? — Adam.Er8, Jul 12 '20 at 13:56
split it, increment it, put it back to gether. Splitting here could mean string slicing — Patrick Artner, Jul 12 '20 at 13:59
@Adam.Er8, Actually I set the proId = 'nam001' manually, from next time that should be increment. — user3030327, Jul 12 '20 at 14:02
so you can use a simple loop over an int range, look at [`str.zfill`](https://docs.python.org/3/library/stdtypes.html#str.zfill) for padding with `0`, and just slap it at the end of `nam`... — Adam.Er8, Jul 12 '20 at 14:06

score 1 · Accepted Answer · answered Jul 12 '20 at 14:32

1

Just because you asked nicely :D

You can use the simplest for loop, with str.zfill to pad with zeroes, then add it to the 'nam' prefix like this:

for i in range(1,11):
    proId = 'nam' + str(i).zfill(3)
    print(proId) # or do whatever you need with it...

Output:

nam001
nam002
...
nam009
nam010

answered Jul 12 '20 at 14:32

Adam.Er8

1

no need to zfill - use string formatting: `f"nam{i:03}"` – Patrick Artner Jul 12 '20 at 14:38

1 Answers1