python33, name 're' is not defined

[gintare]

OS: Windows 7, 64bit
Python 3.5.7

import re
strtext="""AU  - Huang, Zhipeng
AU  - Geyer, Nadine
AU  - Werner, Peter
AU  - de Boor, Johannes
AU  - Gösele, Ulrich
TI  - Metal-Assisted Chemical Etching of Silicon: A Review """
auths=re.findall('AU  \- [öÖäÄåÅa-zA-Z.,\s]+',strtext)

I am getting the error: NameError: name 're' is not defined, on the line auths=....