I need algorithm for my task

[wxjmfauth at gmail.com]

Le mercredi 5 novembre 2014 12:58:44 UTC+1, lordv... at gmail.com a écrit :
> I have line 'pythonpythonpyth'. How do I know which word is the foundation line?.
> Other examples:
> "pythonpythonpyth" is python
> "DOLORIUMD" is DOLORIUM
> "HELLOLHELLO" is HELLOL
> "thewordword" is thewordword
> 
> I need to know whether the word in the text is repeated and get it. This will be the key.

>From your examples: impossible, unsolvable. [*]

[*] unless using an "external" list of words.