use regex to see if characters are the same python code example

Example 1: check string equal with regular expression python

import re
pattern = re.compile("^([A-Z][0-9]+)+$")
pattern.match(string)

Example 2: Python Regex documentation\

>>> import re
>>> m = re.search('(?<=abc)def', 'abcdef')
>>> m.group(0)
'def'