From: matz@... (Yukihiro Matsumoto)
Date: 2000-11-10T11:13:17+09:00
Subject: [ruby-talk:6239] quiz of the week

Hi,

Can you tell the results from the following?
And what is the reasons for the results?

  line = "abab"
  print line.sub!(/a/, 'A') + line.sub!(/b/, 'B'), "\n"

  line = "abab"
  print line.sub!(/a/, 'A') + " " + line.sub!(/b/, 'B'), "\n"

Be careful of the bang. ;-)

							matz.