From: Justin To <tekmc@...>
Date: 2008-06-11T03:34:59+09:00
Subject: Re: replacing a character in a string

Hey, I'm a newbie, but here's one solution:

cal_name = "testing_this_out"

match = '_'
while(cal_name.include?(match))
  cal_name.sub!(match, ' ')
end

 puts cal_name #=> testing this out

Your solution prints "testing this_out" with only the first underscore 
substituted. String#sub only replaces the first occurence of the 
pattern.

Refer to http://www.ruby-doc.org/core/classes/String.html#M000748 for 
some information on the String object's methods.

Hope this helps!! =D

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