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jeffkreeftmeijer/gsub.rb

Created March 11, 2010 22:27
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gsub.rb
'woo! yay!'.gsub(/(yay)/, '\\1'.upcase) # => "woo! yay!"
'woo! yay!'.gsub(/(yay)/, '\1'.upcase) # => "woo! yay!"
'woo! yay!'.gsub(/(yay)/, "\\1".upcase) # => "woo! yay!"
'woo! yay!'.gsub(/(yay)/, "\1".upcase) # => "woo! \x01!"
'woo! yay!'.gsub(/(yay)/, $~[1].upcase) # => "woo! YAY!"
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