From: 7stud -- <bbxx789_05ss@...>
Date: 2011-03-12T12:12:59+09:00
Subject: Re: universal symbol

str = "class#1 hello world class#2 goodbye class#3 hi"

arr = str.split(/ (class\#\d) /xms)
p arr

arr.shift

while arr.length > 0
  puts arr.slice!(0,2).join
end

--output:--
["", "class#1", " hello world ", "class#2", " goodbye ", "class#3", " 
hi"]
class#1 hello world
class#2 goodbye
class#3 hi

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