\s*\s*()?"""
for filename in npo12files:
with open(filename) as f:
for match in re.finditer(npo12regex, f.read()):
print(match.group(1), match.group(2) is None)
print('')
for filename in npo3files:
with open(filename) as f:
for match in re.finditer(npo3regex, f.read()):
print(match.group(1), match.group(2) is None)
print('')