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view config/initializers/ext_string.rb @ 166:469df6354341

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A more robust check
author nanaya <me@nanaya.pro>
date Fri, 03 Aug 2018 02:39:09 +0900
parents 61414d0a367b
children e2150dce4e90
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class String
  def printable
    gsub(/[^\n[:print:]]/, '')
  end
end