Flowdock
method

optionalize

Importance_0
v2.3.2 - Show latest stable - 0 notes - Class: Regexp
optionalize(pattern) public

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# File actionpack/lib/action_controller/routing/routing_ext.rb, line 35
    def optionalize(pattern)
      case unoptionalize(pattern)
        when /\A(.|\(.*\))\Z/ then "#{pattern}?"
        else "(?:#{pattern})?"
      end
    end
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