find_offsets.py

In [23]: def find_offsets(filename, regex):
    ...:     with open(filename) as ifile:
    ...:         lineno = 1
    ...:         for line in ifile:
    ...:             for result in regex.finditer(line):
    ...:                 print "Result found line %d column %d" % (lineno, result.start())
    ...:             lineno += 1
    ...: 

In [24]: r = re.compile('=')

In [25]: find_offsets('/home/mdeous/.bashrc', r)
Result found line 15 column 41
Result found line 18 column 5