fork download
copy 
  1. import re
  2. strings = ["JOHN,MARK,EDDIE", "JOHN", "JOHN,", "JOHN MARK", "JOHN,MARK,EDDIE,JOHN"]
  3.  
  4. for s in strings:
  5.     m = re.match("^[A-Z]{3,20}(?:,[A-Z]{3,20})*$", s)
  6.  
  7.     if m:
  8.         parts = s.split(',')
  9.         res = len(parts) == len(set(parts))
  10.         print("{}:{}".format(s, res))
Success #stdin #stdout 0.01s 27744KB
comments ()
stdin
copy 
Standard input is empty
stdout
copy 
JOHN,MARK,EDDIE:True
JOHN:True
JOHN,MARK,EDDIE,JOHN:False
https://ideone.com/7GAaLa
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!