public function prepare_slug( $slug, $permastruct_name, $is_regular_exp = true ) {
		$needs_handling = false;
		$sanitized_slug = sanitize_title( $slug );

		// Was UTF8 encoding required for the slug? %a0 type entities are a tell-tale of this
		if ( preg_match( '/(%[0-9a-f]{2})+/', $sanitized_slug ) ) {
			/**
			 * Controls whether special UTF8 URL handling is setup for the set of
			 * rules described by $permastruct_name.
			 *
			 * This only fires if Tribe__Events__Rewrite::prepare_slug() believes
			 * handling is required.
			 *
			 * @var string $permastruct_name
			 * @var string $slug
			 */
			$needs_handling = apply_filters(
				'tribe_events_rewrite_utf8_handling', true, $permastruct_name, $slug
			);
		}

		if ( $needs_handling ) {
			// User agents encode things the same way but in uppercase
			$sanitized_slug = strtoupper( $sanitized_slug );

			// UTF8 encoding results in lots of "%" chars in our string which play havoc
			// with WP_Rewrite::generate_rewrite_rules(), so we swap them out temporarily
			$sanitized_slug = str_replace( '%', Tribe__Rewrite::PERCENT_PLACEHOLDER, $sanitized_slug );
		}

		$prepared_slug = $is_regular_exp ? preg_quote( $sanitized_slug ) : $sanitized_slug;

		/**
		 * Provides an opportunity to modify the sanitized slug which will be used
		 * in rewrite rules relating to $permastruct_name.
		 *
		 * @var string $prepared_slug
		 * @var string $permastruct_name
		 * @var string $original_slug
		 */
		return apply_filters( 'tribe_rewrite_prepared_slug', $prepared_slug, $permastruct_name, $slug );
	}