refs #84709: add test and lint

fix lint err (disabled)

packages/app/src/components/Page/RevisionRenderer.jsx

@@ -84,6 +84,7 @@ class LegacyRevisionRenderer extends React.PureComponent {
 
     // for non-chrome browsers compatibility
     try {
+      // eslint-disable-next-line regex/invalid
       keywordRegexp2 = new RegExp(`(?<!<)${normalizedKeywords}(?!(.*?("|>)))`, 'ig'); // inferior (this doesn't work well when html tags exist a lot) https://regex101.com/r/Dfi61F/1
     }
     catch (err) {