python - How to extract certain string from a line of string using find.()

Question

file_name_to_preprocessing_method("heloc_dataset_v1(exc empty rows.).csv_pre(-1,asis).csv")

should return the string "(-1,asis)", possibly using .find().

question from:https://stackoverflow.com/questions/65952606/how-to-extract-certain-string-from-a-line-of-string-using-find

Answer 1

Using re.findall for a regex approach:

inp = "file_name_to_preprocessing_method("heloc_dataset_v1(exc empty rows.).csv_pre(-1,asis).csv")"
matches = re.findall(r'csv_pre((.*?))', inp)
print(matches[0])  # (-1,asis)