printing float as formatted dollars

[Peter Hansen]

Tim wrote:

> "Larry Bates" <lbates at swamisoft.com> wrote in message
> news:YtqdnZOyj_KSfArdRVn_iw at comcast.com...
> 
>>Here is a function I wrote and use.  Note: floats
>>have rounding "issues" when they get very large.
[snip long code]
>>
> Thanks for the code!, it was a big help.  I had started trying to piece
> together some logic (below), but I know there are holes in it (negative
> numbers, for one).
[snip also long code]

I still find this one much easier to swallow (from the
aforementioned other thread).

 >>> import re
 >>> s = 1234567.89
 >>> '$' + re.sub(r'(?<=\d)(?=(\d\d\d)+(\.|$))', ',', str(s))
'$1,234,567.89'

-Peter