Fix Sky Highlight not recognizing backslash

src/demos/flyout/flyout-demo.component.html

@@ -21,7 +21,7 @@
   #customTemplate>
   <button
     type="button"
-    class="sky-btn sky-btn-primary"
+    class="sky-btn sky-btn-link"
     (click)="openRecord(row)">
     View record
   </button>

src/modules/text-highlight/text-highlight.directive.ts

@@ -27,8 +27,8 @@ export class SkyTextHighlightDirective
 
   private static getRegexMatch(node: HTMLElement, searchText: string): RegExpExecArray {
     const text = node.nodeValue;
-    const searchRegex = new RegExp(searchText, 'gi');
-
+    const newSearchText = searchText.replace(/\\/g, '\\\\');
+    const searchRegex = new RegExp(newSearchText, 'gi');
     return searchRegex.exec(text);
   }