static public Method

Regexp.unoptionalize(pattern)

Source
Home > Ruby > Rails > Rails 1.2.3 > ActionPack > Regexp > unoptionalize

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Source Code

# File action_controller/routing.rb, line 43
def unoptionalize(pattern)
  [/\A\(\?:(.*)\)\?\Z/, /\A(.|\(.*\))\?\Z/].each do |regexp|
    return $1 if regexp =~ pattern
  end
  return pattern
end
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