Python Regex search not showing month text

Question

I'm trying to validate the String against RegEx pattern and then I want month and Year from pattern search. The pattern match is good, I can see date and year but month is empty

import re

txt = '25-Nov-18'
pattern = re.compile('^(\d{1,2})(\/|-)[a-zA-Z]{3}(\/|-)(\d{2})$')
if pattern.match(txt):
    m = pattern.search(txt)
    print(m.group(1), m.group(2), m.group(3), m.group(4))

Result is

25 - - 18

FYI: m.group(0) is 25-Nov-18

Am I missing anything here? Is there any better way than this?

Answer 1

You're just missing some parenthesis and another group, you have to surround in parenthesis everything you want to recover.

import re

txt = '25-Nov-18'
pattern = re.compile('^(\d{1,2})(\/|-)([a-zA-Z]{3})(\/|-)(\d{2})$')
if pattern.match(txt):
    m = pattern.search(txt)
    print(m.group(1), m.group(2), m.group(3), m.group(4), m.group(5))