import re
string_1 = "Stallaresvei s 10013.pdf"
regexp = r"\s([a-zA-Z.]+)\s+([0-9]+)\.pdf"
m = re.search(regexp, string_1)
if m:
print([m.group(1), m.group(2)])
aW1wb3J0IHJlCnN0cmluZ18xID0gIlN0YWxsYXJlc3ZlaSBzIDEwMDEzLnBkZiIKcmVnZXhwID0gciJccyhbYS16QS1aLl0rKVxzKyhbMC05XSspXC5wZGYiCm0gPSByZS5zZWFyY2gocmVnZXhwLCBzdHJpbmdfMSkKaWYgbToKCXByaW50KFttLmdyb3VwKDEpLCBtLmdyb3VwKDIpXSk=