#!/usr/bin/env python
# encoding: utf-8
#
# Copyright (c) 2010 Doug Hellmann.  All rights reserved.
#
"""Splitting input based on a pattern.
"""
#end_pymotw_header

import re

text = '''Paragraph one
on two lines.

Paragraph two.


Paragraph three.'''

for num, para in enumerate(re.findall(r'(.+?)\n{2,}',
                                      text,
                                      flags=re.DOTALL)
                           ):
    print num, repr(para)
    print