How to extract the substring between two markers?

Question

Let\'s say I have a string \'gfgfdAAA1234ZZZuijjk\' and I want to extract just the \'1234\' part.

I only know what will be the few characte

Answer 1

In python, extracting substring form string can be done using findall method in regular expression (re) module.

>>> import re
>>> s = 'gfgfdAAA1234ZZZuijjk'
>>> ss = re.findall('AAA(.+)ZZZ', s)
>>> print ss
['1234']