Phrogz pisze:
> On Aug 9, 6:28 am, Tomislav Kralj <rex14012... / yahoo.com> wrote:
>> A part of my program is to compare two strings and as a result I have to
>> get a number (range:0-1) which represents a similarity beetwen those two
>> strings.
> 
> You might want to google for string "correlation" algorithms.
> (Depending on what sort of similarity you want.)
> 

You might try: http://amatch.rubyforge.org/

lopex