[Python-Dev] Re: string.find() again (was Re: timsort for jython)

Inyeol Lee inyeol.lee@siimage.com
Fri, 9 Aug 2002 13:51:54 -0700

To underline strings for viewers like less.

>>> underlined = normal.replace('', '_\b')

This also can be done with re.sub(), but I think it is natural to use
string methods to handle non-RE strings.

This cannot be done with '_\b'.join(), since it doesn't prepend '_\b'.

- Inyeol Lee

On Fri, Aug 09, 2002 at 10:13:12AM -0400, Guido van Rossum wrote:
> > Since '' in 'abc' now returns True, How about changing
> > 'abc'.replace('') to generate '_a_b_c_', too? It is consistent with
> > re.sub()/subn() and the cost for change is similar to '' in 'abc'
> > case.
> Do you have a use case?  Or are you just striving for consistency?  It
> would be more consistent but I'm not sure what the point is.  I can
> think of situations where '' in 'abc' would be needed, but not so for
> 'abc'.replace('', '_').
> --Guido van Rossum (home page: http://www.python.org/~guido/)