Method: String#encode_visual

Defined in:
lib/libis/tools/extend/string.rb

#encode_visual(regex = nil) ⇒ Object

Escape all not-printabe characters in hex format



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# File 'lib/libis/tools/extend/string.rb', line 62

def encode_visual(regex = nil)
  regex ||= /\W/
  self.gsub(regex) { |c| '_x' + '%04x' % c.unpack('U')[0] + '_'}
end