[Python-Dev] replace on empty strings

[Guido van Rossum]

On 5/24/06, Fredrik Lundh <fredrik at pythonware.com> wrote:
> so, which one is correct ?
>
> Python 2.4.3
>  >>> "".replace("", "a")
> ''
>  >>> u"".replace(u"", u"a")
> u'a'

Since 'x'.replace('', 'a') and u'x'.replace('', u'a') return 'axa' and
u'axa', respectively, I conclude that the unicode version is correct
and the 8-bit string version is an anomaly.

-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)