> Try
>>>> print uri.replace('.', '\.')
> and you'll find the replacement works fine.
>
> Or write the output to file, and look at the file.
>
> Python shows a representation on its prompt, and thus needs to escape the
> backslash (by prepending another backslash). Otherwise you might think '\.'
> was meant, which is simply a '.'.
> But consider:
>>>> uri.replace('.', '\n')
> 'domain\ncom'
>>>> print uri.replace('.', '\n')
> domain
> com
>
> because '\n' is really a different string (character) than a backslash + 'n'.
Thanks, that was very helpful. I was using the interactive interpreter
to test things.
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