A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, formatLtr } from '@wordpress/icons';
<Icon icon={formatLtr} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="-2 -2 24 24" aria-hidden="true" focusable="false"><path d="M5.52 2h7.43c.55 0 1 .45 1 1s-.45 1-1 1h-1v13c0 .55-.45 1-1 1s-1-.45-1-1V5c0-.55-.45-1-1-1s-1 .45-1 1v12c0 .55-.45 1-1 1s-1-.45-1-1v-5.96h-.43C3.02 11.04 1 9.02 1 6.52S3.02 2 5.52 2zM14 14l5-4-5-4v8z"></path></svg>
formatLtr – WordPress Icon Library