i have read finding sublist http://groups.google.it/group/comp.lang.python/browse_thread/thread/50b09a0aca285256/5156ada81fc9358a?hl=it#5156ada81fc9358a
the problem was in a string to find if we have two substring non overlapping of lenght al least 4 it was done by r=re.compile(r'(?P<seq>.{4,}).*(?P=seq)') my knowhow on re is null there is a way in re for ask if a substring is the reverse of the otherone? First seq is second seq in reverse order i appreciate all persons that can help me. excuse my ignorance -- http://mail.python.org/mailman/listinfo/python-list