Write a program to increment number which is at end of string

Solution

import re 
  
str1 = 'count001'
res = re.sub(r'[0-9]+$', 
             lambda x: f"{str(int(x.group())+1).zfill(len(x.group()))}",  
             str1) 
      
print("Incremented numeric String : " + str(res))