A pythonic way to insert a space before capital letters

Question

I\'ve got a file whose format I\'m altering via a python script. I have several camel cased strings in this file where I just want to insert a single space before the capital l

Answer 1

With regexes you can do this:

re.sub('([A-Z])', r' \1', str)

Of course, that will only work for ASCII characters, if you want to do Unicode it's a whole new can of worms :-)