I'm having a bit of trouble with this so any help would be gratefully recieved...
After splitting up a url I have a string of the form 'tag1+tag2+tag3-tag4', or '-tag1-tag2' etc. The first tag will only be preceeded by an operator if it is a '-', if it is preceded by nothing, '+' is to be assumed. Using re.split, I can generate a list that looks thus: ['tag1', '+', 'tag2', '+', 'tag3', '-', 'tag4'] I wish to derive two lists - each containing either tags to be included, or tags to be excluded. My idea was to take an element, examine what element precedes it and accordingly, insert it into the relevant list. However, I have not been successful. Is there a better way that I have not considered? If this method is suitable, how might I implement it? Thanks all, Rob Cowie -- http://mail.python.org/mailman/listinfo/python-list
