On 01/12/2010 17:36, Carlo wrote: > Hello, > > I want the Python equivalent of the Perl expression: > s/([a-z])([A-Z])/\1 \2/g > In plain language: place a space between a lowercase and uppercase > letter. I get lost in the RE module. Can someone help me? > That's easy: new_text = re.sub(r'([a-z])([A-Z])', r'\1 \2', old_text)