diff --git a/packages/tailwindcss-language-service/src/completionProvider.ts b/packages/tailwindcss-language-service/src/completionProvider.ts
index e8a3140..9410223 100644
--- a/packages/tailwindcss-language-service/src/completionProvider.ts
+++ b/packages/tailwindcss-language-service/src/completionProvider.ts
@@ -338,7 +338,7 @@ function provideClassAttributeCompletions(
     end: position,
   })
 
-  const match = findLast(/(?:\s|:|\()(?:class(?:Name)?|\[ngClass\])=['"`{]/gi, str)
+  const match = findLast(/(?:\s|:|\()(?:class(?:Name)?|\[ngClass\])\s*=\s*['"`{]/gi, str)
 
   if (match === null) {
     return null
diff --git a/packages/tailwindcss-language-service/src/util/find.ts b/packages/tailwindcss-language-service/src/util/find.ts
index 028bd59..6224cc5 100644
--- a/packages/tailwindcss-language-service/src/util/find.ts
+++ b/packages/tailwindcss-language-service/src/util/find.ts
@@ -174,7 +174,7 @@ async function findCustomClassLists(
 
 export function findClassListsInHtmlRange(doc: TextDocument, range?: Range): DocumentClassList[] {
   const text = doc.getText(range)
-  const matches = findAll(/(?:\s|:|\()(?:class(?:Name)?|\[ngClass\])=['"`{]/g, text)
+  const matches = findAll(/(?:\s|:|\()(?:class(?:Name)?|\[ngClass\])\s*=\s*['"`{]/gi, text)
   const result: DocumentClassList[] = []
 
   matches.forEach((match) => {