diff --git a/src/utils/outer-code-matches.ts b/src/utils/outer-code-matches.ts
index 277b5fa..5d91425 100644
--- a/src/utils/outer-code-matches.ts
+++ b/src/utils/outer-code-matches.ts
@@ -45,11 +45,11 @@ enclosedPatterns.push(
   },
   {
     // Single quote string
-    match: /'(?:\\.|[^'\\]+)*'/y,
+    match: /'(?:\\.|[^'\\])*'/y,
   },
   {
     // Double quote string
-    match: /"(?:\\.|[^"\\]+)*"/y,
+    match: /"(?:\\.|[^"\\])*"/y,
   },
   {
     // Template literal