Hello, can you help please hot to add/remove spaces in text

For exmaple "J.R.R.Tolkien" should transform to "J. R. R. Tolkien"

I tried to use replace.py and user-fixes.py

(u' \. ', u'\. '),

(u' \..?', u'\. .?'),

(u'.?\..?', u'.?\. .?'),

But that's don't work.

Hope on your help, thanks