re.search when used within an if/else fails

Tue Nov 20 14:37:01 EST 2012

On Tue, Nov 20, 2012 at 12:09 PM, Kevin T <kevinintx at 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.