William Crawford wrote:
> Trans wrote:
> > I have two strings: "aabc" and "aacd". I want to get an "ordered
> > contrast" to see the difference in their spellings. Eg.
> >
> >   "aabc".ordered_contrast( "aacc" ) => "  cc"
> >
> > In the example a space represents a matching string, although I suppose
> > there may be a better alternative. In any case, one could also imagine
> > a non-ordered contrast:
> >
> >   "aabc".contrast( "aacc" ) => "  c "
> >
>
> From this, the 'ordered contrast' means that the first different letter,
> and all following letters, are shown?  And unordered means only the
> different letters are shown?

That's right.

> Google refused to provide a definition or examples.

Yes, they aren't technical terms, just me trying my best to describe
them.

T.