diff --git a/packages/tailwindcss-language-service/src/diagnostics/getInvalidTailwindDirectiveDiagnostics.ts b/packages/tailwindcss-language-service/src/diagnostics/getInvalidTailwindDirectiveDiagnostics.ts
index 74e26f94fc326773188c26e959750033cd895519..59f6de7391930cffba61ae94570a334abcc703d9 100644
--- a/packages/tailwindcss-language-service/src/diagnostics/getInvalidTailwindDirectiveDiagnostics.ts
+++ b/packages/tailwindcss-language-service/src/diagnostics/getInvalidTailwindDirectiveDiagnostics.ts
@@ -35,7 +35,7 @@     notSemicolonLanguages.includes(document.languageId) ||
     (state.editor &&
       notSemicolonLanguages.includes(state.editor.userLanguages[document.languageId]))
   ) {
-    regex = /(?:\s|^)@tailwind\s+(?<value>[^\r\n]+)/g
+    regex = /(?:\s|^)@tailwind\s+(?<value>[^\n]+)/g
   } else {
     regex = /(?:\s|^)@tailwind\s+(?<value>[^;]+)/g
   }