Extract string before specific character

Question

i have list of images , which are named as follow :
Abyssinian_1.jpg

so name_digit.jpg

of course if it would be only one _digit.jpg, then using split statement it is very easy,but whe have also image named as follow

Egyptian_Mau_214.jpg

sure we should extract text before _digit, but i am not sure which regular expression method can i use for it?i will demonstrate one example

let us suppose we have following string :

name ='Egyptian_Mau_214.jpg'

if i use split statement

print(name.split("_"))

then result would be : ['Egyptian', 'Mau', '214.jpg']
but i want to split before the _214, so how to do it?

||

Answer 1

would this work:

name ='Egyptian_Mau_214.jpg'

m = re.split(r'_(?=d+.[a-z]+$)', name)

print(m) # ['Egyptian_Mau', '214.jpg']

Answered By: gog

Answer 2

Hope I got it right, but you could use a regex.
For your example:

import re
r = re.compile('(.+)_(d+.jpg)')
m = r.match('Egyptian_Mau_214.jpg')
print(m.groups()) # -> ('Egyptian_Mau', '214.jpg')

Regex explanation:

Answered By: ThinkBrix

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