diff --git a/packages/core/src/lib/markdown-it/plugins/markdown-it-icons.ts b/packages/core/src/lib/markdown-it/plugins/markdown-it-icons.ts
index 23045e257a..00e5cccbba 100644
--- a/packages/core/src/lib/markdown-it/plugins/markdown-it-icons.ts
+++ b/packages/core/src/lib/markdown-it/plugins/markdown-it-icons.ts
@@ -5,7 +5,7 @@ const markdownItRegExp = require('markdown-it-regexp');
 
 // regular expression to match the icon patterns
 const ICON_REGEXP
-  = /:(fa[brs]|fa-brands|fa-solid|glyphicon|octicon|octiconlight|mi[forst]|bi)-([a-z-]+)~?([a-z-]+)?:/;
+  = /:(fa[brs]|fa-brands|fa-solid|glyphicon|octicon|octiconlight|mi[forst]|bi)-([a-z0-9-]+)~?([a-z0-9-]+)?:/;
 
 // function to get the octicon icons
 function getOcticonIcon(iconName: string) {
diff --git a/packages/core/test/unit/lib/markdown-it/plugins/markdown-it-icons.test.ts b/packages/core/test/unit/lib/markdown-it/plugins/markdown-it-icons.test.ts
index a3e3850c32..19f4bfca47 100644
--- a/packages/core/test/unit/lib/markdown-it/plugins/markdown-it-icons.test.ts
+++ b/packages/core/test/unit/lib/markdown-it/plugins/markdown-it-icons.test.ts
@@ -142,6 +142,8 @@ test('should render all Bootstrap icons correctly', () => {
   // Basic bootstrap icons, with dashes
   expect(md.renderInline(':bi-house:')).toBe('<i class="bi-house"></i>');
   expect(md.renderInline(':bi-arrow-left:')).toBe('<i class="bi-arrow-left"></i>');
+  expect(md.renderInline(':bi-backpack2:')).toBe('<i class="bi-backpack2"></i>');
+  expect(md.renderInline(':bi-backpack2-fill:')).toBe('<i class="bi-backpack2-fill"></i>');
 });
 
 test('should handle multiple icons and complex scenarios', () => {