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view config/initializers/ext_string.rb @ 144:1925b08153dc

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author nanaya <me@nanaya.pro>
date Wed, 13 Dec 2017 06:10:13 +0900
parents 61414d0a367b
children e2150dce4e90
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class String
  def printable
    gsub(/[^\n[:print:]]/, '')
  end
end