kevinliu23 wrote: > Hey guys, > > 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. > > Rigt now, I'm implementing a menu system where users will be able to > select a set of options like "2a 3ab" which corresponds to menu > choices. However, with getopt.getopt(), it'll only return what I want > if I input -2a -3ab as my string. I don't want the user have to insert > a '-' character in front of all their choices, so I was thinking of > accepting the string input first, then adding in the '-' character > myself. > > So my qusetion is, how do I change: > > "2a 3ab" into "-2a -3ab". > > Regular expressions? :/ > s="2a 3b" s="-%s -%s"% tuple(s.split())
-Larry -- http://mail.python.org/mailman/listinfo/python-list