From: Robert Klemme <bob.news@...>
Date: 2005-05-17T01:55:30+09:00
Subject: Re: determining common characters from start of two strings?


"David A. Black" <dblack@wobblini.net> schrieb im Newsbeitrag 
news:Pine.LNX.4.61.0505160448390.24570@wobblini...
Hi --

On Mon, 16 May 2005, [ISO-8859-1] Brian Schr�der wrote:

> class String
>  def lcommon(other)
>    0.upto(length) do | i | return i if other[i] != self[i] end
>    length
>  end
> end

You can also use the return value of times to do this:

   class String
     def lcommon(other)
       length.times do |i| return i if other[i] != self[i] end
     end
   end

(I had been toying with this but using break instead of return, which
was giving me problems :-)


Hey, this is nice!

    robert