"Amy Dillavou" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Can someone help me with understanding how python uses backreferences? > I need to remember the item that was last matched by the re engine but i > cant seem to understand anything that I find on backreferences. if I > want to access the last match do i use \number or is there something > else i have to do? > > heres part of my code: > renDate = re.compile("$((\d){4}-(\d){2}-(\d){2}))") > renDate.search(l) > if(exist.search(l) and str(lastmodDate) < \1): #i need help here with \1 > > Thanks in advance > A.D
renDate = re.compile(some_regex) match = renDate.search(input) if match and str(lastmodDate) < match.group(1): do_something() HTH, George -- http://mail.python.org/mailman/listinfo/python-list