From: David Rio <driodeiros@...>
Date: 2009-06-21T08:56:36+09:00
Subject: Re: replacing repetition of characters in string

On Sat, Jun 20, 2009 at 5:44 PM, Sebastian
Hungerecker<sepp2k@googlemail.com> wrote:
> Am Sonntag 21 Juni 2009 00:05:22 schrieb David Rio:
>> INPUT
>> ---------
>> test. AA. I greatXXrr love it.
>> audi tt uu yes.
>> stop here, axmmen.
>>
>> OUTPUT
>> ------------
>> {3} test. *AA*. I great*XX**rr* love it.
>> {2} audi tt uu yes.
>> {1} stop here, ax*mm*en.
>
> I'm assuming line 2 should be  {2} audi *tt* *uu* yes

Yes, that's right. I don't know why it got removed from my initial post.

> DATA.each do |line|
>  i = 0
>  # For each match of "any character followed by the same character" do:
>  marked = line.gsub(/(.)\1/) do |match|
>    i += 1
>    # return the match surrounded by asterisks from the block, which will
>    # tell gsub to replace the match with that
>    "*#{ match }*"
>  end
>  puts "{#{ i }} #{marked}"
> end
> __END__
> test. AA. I greatXXrr love it.
> audi tt uu yes.
> stop here, axmmen.
>
> Output:
> {3} test. *AA*. I great*XX**rr* love it.
> {2} audi *tt* *uu* yes.
> {1} stop here, ax*mm*en.

Ah.. much better. Thanks sebastian.

-drd