diff --git a/packages/core/src/utils/variantGroup.ts b/packages/core/src/utils/variantGroup.ts
index c36a0430b9..edb8ec7a9f 100644
--- a/packages/core/src/utils/variantGroup.ts
+++ b/packages/core/src/utils/variantGroup.ts
@@ -1,6 +1,6 @@
 import type MagicString from 'magic-string'
 
-export const regexClassGroup = /((?:[!\w+:_/-]|\[&?>?:.+?\])+?)([:-])\(((?:[~!\w\s:/\\,%#.$-]|\[.*?\])*?)\)/gm
+export const regexClassGroup = /((?:[!\w+:_/-]|\[&?>?:?.*\])+?)([:-])\(((?:[~!\w\s:/\\,%#.$-]|\[.*?\])*?)\)/gm
 
 export function expandVariantGroup(str: string, seperators?: ('-' | ':')[]): string
 export function expandVariantGroup(str: MagicString, seperators?: ('-' | ':')[]): MagicString
diff --git a/test/variant-group.test.ts b/test/variant-group.test.ts
index 0644b81e63..33c5c603a4 100644
--- a/test/variant-group.test.ts
+++ b/test/variant-group.test.ts
@@ -32,4 +32,8 @@ describe('variant-group', () => {
   test('square bracket', async () => {
     expect(expandVariantGroup('b:[&:not(c)]:d:(!a z)')).toEqual('!b:[&:not(c)]:d:a b:[&:not(c)]:d:z')
   })
+
+  test('square bracket case2', async () => {
+    expect(expandVariantGroup('[&]:(a-b c-d)')).toEqual('[&]:a-b [&]:c-d')
+  })
 })