duduklein duduklein - 1 year ago 93
Python Question

Separate number from unit in a string in Python

I have strings containing numbers with their units, e.g. 2GB, 17ft, etc.
I would like to separate the number from the unit and create 2 different strings. Sometimes, there is a whitespace between them (e.g. 2 GB) and it's easy to do it using split(' ').

When they are together (e.g. 2GB), I would test every character until I find a letter, instead of a number.

s='17GB'
number=''
unit=''
for c in s:
if c.isdigit():
number+=c
else:
unit+=c


Is there a better way to do it?

Thanks

Answer Source
s='17GB'
for i,c in enumerate(s):
    if not c.isdigit():
        break
number=int(s[:i])
unit=s[i:]
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