search( query ) {

		const regex = new RegExp( '\\b' + query.trim() + '\\b', 'i' );

		const slide = this.Reveal.getSlides().find( ( slide ) => {
			return regex.test( slide.innerText );
		} );

		if( slide ) {
			return this.Reveal.getIndices( slide );
		}
		else {
			return null;
		}

	}
A lofi search that looks for the given query in all
of our slides and returns the first match.