diff --git a/packages/nc-gui/components/monaco/formula.ts b/packages/nc-gui/components/monaco/formula.ts
index fd50a86373..ff95ed8388 100644
--- a/packages/nc-gui/components/monaco/formula.ts
+++ b/packages/nc-gui/components/monaco/formula.ts
@@ -43,7 +43,17 @@ const generateLanguageDefinition = (identifiers: string[]) => {
         [/"/, { token: 'string.quote', bracket: '@open', next: '@dblString' }],
         [/'/, { token: 'string.quote', bracket: '@open', next: '@sglString' }],
         [
-          new RegExp(`\\{(${identifiers.join('|').replace(/[{}]/g, '')})\\}`),
+          new RegExp(
+            `\\{(${identifiers
+              .map((identifier) =>
+                identifier
+                  // remove curly braces wrapping the identifier
+                  .replace(/^\{([\s\S]+)\}$/, '$1')
+                  // escape special characters
+                  .replace(/[.*+?^${}()|[\]\\-]/g, '\\$&'),
+              )
+              .join('|')})\\}`,
+          ),
           {
             cases: {
               '@identifiers': 'identifier',