find a given string and added a single character at the end of that string

[jmagill]

Hi
I want to find single occurrence of "season ?" where ? is any single digit 1-9 and replace it with season 0? cannot simply replace season with season 0 as there are season 0? which are not to be changed.

[bvdet]

Here's a re solution:

import re

s = 'I want to find single occurrence of "season 08" where ? is any single digit 1-9 and season 91 season 4 season 5 abcdef'

patt = re.compile(r'(season [1-9](?![0-9]))')

m = patt.search(s)
if m:
    s = re.sub(patt, 'season 0' + m.group(1)[-1], s, 1)

print s

The output:

>>> I want to find single occurrence of "season 08" where ? is any single digit 1-9 and season 91 season 04 season 5 abcdef