«Sanitize this!» и «Search that!»

    DIACRITICS_MAP = {
      'À' => [ 'A', "\u{0300}" ],
      'Á' => [ 'A', "\u{0301}" ],
      'Â' => [ 'A', "\u{0302}" ],
      'Ã' => [ 'A', "\u{0303}" ],
      'Ä' => [ 'A', "\u{0308}" ],
      'Å' => [ 'A', "\u{030A}" ],
      'Ç' => [ 'C', "\u{0327}" ],
      'È' => [ 'E', "\u{0300}" ],
      'É' => [ 'E', "\u{0301}" ],
      'Ê' => [ 'E', "\u{0302}" ],
      'Ë' => [ 'E', "\u{0308}" ],
      'Ì' => [ 'I', "\u{0300}" ],
      'Í' => [ 'I', "\u{0301}" ],
      'Î' => [ 'I', "\u{0302}" ],
      'Ï' => [ 'I', "\u{0308}" ],
      'Ð' => [ 'D', "\u{0335}" ],
      'Ñ' => [ 'N', "\u{0303}" ],
      'Ò' => [ 'O', "\u{0300}" ],
      'Ó' => [ 'O', "\u{0301}" ],
      'Ô' => [ 'O', "\u{0302}" ],
      'Õ' => [ 'O', "\u{0303}" ],
      'Ö' => [ 'O', "\u{0308}" ],
      'Ø' => [ 'O', "\u{0337}" ],
      'Ù' => [ 'U', "\u{0300}" ],
      'Ú' => [ 'U', "\u{0301}" ],
      'Û' => [ 'U', "\u{0302}" ],
      'Ü' => [ 'U', "\u{0308}" ],
      'Ý' => [ 'Y', "\u{0301}" ],
      'à' => [ 'a', "\u{0300}" ],
      'á' => [ 'a', "\u{0301}" ],
      'â' => [ 'a', "\u{0302}" ],
      'ã' => [ 'a', "\u{0303}" ],
      'ä' => [ 'a', "\u{0308}" ],
      'å' => [ 'a', "\u{030A}" ],
      'ç' => [ 'c', "\u{0327}" ],
      'è' => [ 'e', "\u{0300}" ],
      'é' => [ 'e', "\u{0301}" ],
      'ê' => [ 'e', "\u{0302}" ],
      'ë' => [ 'e', "\u{0308}" ],
      'ì' => [ 'ı', "\u{0300}" ],
      'í' => [ 'ı', "\u{0301}" ],
      'î' => [ 'ı', "\u{0302}" ],
      'ï' => [ 'ı', "\u{0308}" ],
      'ð' => [ 'd', "\u{0335}" ],
      'ñ' => [ 'n', "\u{0303}" ],
      'ò' => [ 'o', "\u{0300}" ],
      'ó' => [ 'o', "\u{0301}" ],
      'ô' => [ 'o', "\u{0302}" ],
      'õ' => [ 'o', "\u{0303}" ],
      'ö' => [ 'o', "\u{0308}" ],
      'ø' => [ 'o', "\u{0337}" ],
      'ù' => [ 'u', "\u{0300}" ],
      'ú' => [ 'u', "\u{0301}" ],
      'û' => [ 'u', "\u{0302}" ],
      'ü' => [ 'u', "\u{0308}" ],
      'ý' => [ 'y', "\u{0301}" ],
      'ÿ' => [ 'y', "\u{0308}" ]
    }.map { |k,v| [k, v.join('')] }.to_h

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