From: Robert Klemme <shortcutter@...>
Date: 2010-03-01T23:48:36+09:00
Subject: Re: gsub for string

2010/3/1 Brian Candler <b.candler@pobox.com>:
> Robert Klemme wrote:
>> You can match arbitrary characters and use capturing groups
>>
>> str.gsub(/--([^-]+)--/, '-\\1--1')
>
> which you can also do in a block form, which is sometimes clearer and
> lets you do things like modifying xxxx.
>
> str.gsub(/--([^-]+)--/) { "-#{$1}--1" }

For fairness reasons you should also mention that this is also slower
and not needed in this particular case since the replacement is fixed.
:-)

This is also a good opportunity to link to my most recent blog entry
which dealt with string replacements:

http://blog.rubybestpractices.com/posts/rklemme/020-Code_Massage.html

Cheers

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/