# File lib/apipie_bindings/inflector.rb, line 35
    def irregular(singular, plural)
      @uncountables.delete(singular)
      @uncountables.delete(plural)

      s0 = singular[0].chr
      srest = singular[1..-1]

      p0 = plural[0].chr
      prest = plural[1..-1]

      if s0.upcase == p0.upcase
        plural(/(#{s0})#{srest}$/i, '\1' + prest)
        plural(/(#{p0})#{prest}$/i, '\1' + prest)

        singular(/(#{s0})#{srest}$/i, '\1' + srest)
        singular(/(#{p0})#{prest}$/i, '\1' + srest)
      else
        plural(/#{s0.upcase}(?i)#{srest}$/, p0.upcase + prest)
        plural(/#{s0.downcase}(?i)#{srest}$/, p0.downcase + prest)
        plural(/#{p0.upcase}(?i)#{prest}$/, p0.upcase + prest)
        plural(/#{p0.downcase}(?i)#{prest}$/, p0.downcase + prest)

        singular(/#{s0.upcase}(?i)#{srest}$/, s0.upcase + srest)
        singular(/#{s0.downcase}(?i)#{srest}$/, s0.downcase + srest)
        singular(/#{p0.upcase}(?i)#{prest}$/, s0.upcase + srest)
        singular(/#{p0.downcase}(?i)#{prest}$/, s0.downcase + srest)
      end
    end