use reg ="(? < = mileage). (re.findall: km | km (?! /) | (em: km | km (?! /). (? = mileage)"
the method is re.findall
the text above is input
the list below is output
for example, for the first one, I only need to take 34km
, for example, for the second one, I only need to take 60 kilometers
solve this problem at the level of regular expressions?
p = re.compile('()?.*?(?P<data>\d+(?:|km))(?(1).*?|.*?)')
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