A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, resizeCornerNE } from '@wordpress/icons';
<Icon icon={resizeCornerNE} />
<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false"><path d="M7 18h4.5v1.5h-7v-7H6V17L17 6h-4.5V4.5h7v7H18V7L7 18Z"></path></svg>
resizeCornerNE – WordPress Icon Library