Inserting '-' character in front of all numbers in a string

[John Nagle]

Paul McGuire wrote:
> On Mar 30, 2:09 pm, Michael Bentley <mich... at jedimindworks.com> wrote:
> 
>>On Mar 30, 2007, at 10:38 AM, kevinliu23 wrote:
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>>>I want to be able to insert a '-' character in front of all numeric
>>>values in a string. I want to insert the '-' character to use in
>>>conjunction with the getopt.getopt() function.

    ' '.join(map(lambda x: '-' + x, s.split()))

assuming that you just want to put a "-" in front of each field,
regardless of its content.

				John Nagle