Function stripExpressionMarkers

packages/labs/testing/src/lib/utils.ts:19–20

(html: string)

 * Strips Lit expression markers from provided html string.
 */
export const stripExpressionMarkers = (html: string) =>
  html.replace(/<!--\?lit\$[0-9]+\$-->|<!--\??-->|lit\$[0-9]+\$/g, '');