Regex samples in Python

import re

def parse_message(message):
    """ Example:
        '
{{node:1234,1}}
' ==> (node_id == 1234, flag == 1)
    """
    match_obj = re.search(r'{{node:(\d+),(\d)}}', message)
    if match_obj is not None:
        (node_id, flag) = [int(s) for s in match_obj.groups()]
    else:
        (node_id, flag) = (0, 0)
    return (node_id, flag)