Shell Programming and Scripting

mport re
test    = "apple orange banana "               #note there is space after every word
result = re.match('(\w+ ){1,}', test)


>>> result.groups()
('banana ',)
>>> result.group(1)
'banana '
>>> result.group(0)
'apple orange banana '
>>> result.group(2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
IndexError: no such group

result.group(0) = apple
result.group(1) = orange
result.group(2) = banana

re.match('(\w+\s)(\w+\s)(\w+\s)', test)

>>> import re
>>> s = "apple orange banana "
>>> pattern = re.compile(r'(\w+ )');
>>> for (letters) in re.findall(pattern, s):
...     print letters
...
apple
orange
banana