On Tue, Nov 20, 2012 at 12:09 PM, Kevin T <kevini...@gmail.com> wrote: > #if re.search( "rsrvd", sigName ) : #version a > #if re.search( "rsrvd", sigName ) == None : #version b > if re.search( "rsrvd", sigName ) is None : #version bb > print sigName > newVal = "%s%s" % ('1'*signal['bits'] , newVal ) > #else: #version c > if re.search( "rsrvd", sigName ) != None : #version d > print sigName > newVal = "%s%s" % ( '0'*signal['bits'],> newVal ) > > i can use either version a/b the else clause (version c) will not execute. > fortunately, with version bb, the else clause will execute!!
There must be some other difference in your testing. I don't have Python 2.4 available, but I tried your version a in both Python 2.3 and 2.5 using made-up values for sigName, and the else clause is executed in both. -- http://mail.python.org/mailman/listinfo/python-list