From: "David A. Black" <dblack@...>
Date: 2009-06-21T20:50:00+09:00
Subject: Re: replacing repetition of characters in string

--1926193751-220452576-1245584987=:7085
Content-Type: MULTIPART/MIXED; BOUNDARY="1926193751-220452576-1245584987=:7085"

  This message is in MIME format.  The first part should be readable text,
  while the remaining parts are likely unreadable without MIME-aware tools.

--1926193751-220452576-1245584987=:7085
Content-Type: TEXT/PLAIN; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 8BIT

Hi --

On Sun, 21 Jun 2009, David Rio wrote:

> On Sat, Jun 20, 2009 at 10:18 PM, Morris Keesan<mkeesan@gmail.com> wrote:
>> This problem is a little under-specified,
>
> Yes, my bad.
>
>> and it would be worth asking
>> exactly what your friend is trying to accomplish.
>> As a quick question, what should happen if the input contains THREE of the
>> same character? �Should "aaa" become
>> aaa
>> *aa*a
>> *aaa*
>> *a*a*a*
>> or something else?
>
> *aa*a, which is what Sebastian's code does.

Mine does too (I lucked out :-)

str = "Helllo"
str.gsub(/((\w)\2)/,'*\1*')   # "He*ll*lo"


David

-- 
David A. Black / Ruby Power and Light, LLC
Ruby/Rails consulting & training: http://www.rubypal.com
Now available: The Well-Grounded Rubyist (http://manning.com/black2)
"Ruby 1.9: What You Need To Know" Envycasts with David A. Black
http://www.envycasts.com
--1926193751-220452576-1245584987=:7085--
--1926193751-220452576-1245584987=:7085--