Convert strings of list to list of integers inside a list

Question

I have a list of strings and those strings are lists. Like this: [\'[1,2,3]\',\'[10,12,5]\'], for example. I want to get a list of lists or even every list there: <

Answer 1

Use regular expressions:

new_list = [[int(j) for j in re.findall(r'\d+', i)] for i in old_list]