diff --git a/curriculum/challenges/chinese-traditional/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md b/curriculum/challenges/chinese-traditional/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
index ed510eaa0f..d8aed83b75 100644
--- a/curriculum/challenges/chinese-traditional/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
+++ b/curriculum/challenges/chinese-traditional/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
@@ -40,7 +40,7 @@ assert(
 `nonMutatingSort(globalArray)` 不應被硬編碼。
 
 ```js
-assert(!nonMutatingSort.toString().match(/[23569]/g));
+assert(!nonMutatingSort.toString().match(/\[.*?[23569].*?\]/gs));
 ```
 
 函數應該返回一個新數組，而不是傳遞給它的數組。
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
index e5f82ed378..db2bbd2632 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
@@ -40,7 +40,7 @@ assert(
 `nonMutatingSort(globalArray)` 不应被硬编码。
 
 ```js
-assert(!nonMutatingSort.toString().match(/[23569]/g));
+assert(!nonMutatingSort.toString().match(/\[.*?[23569].*?\]/gs));
 ```
 
 函数应该返回一个新数组，而不是传递给它的数组。
diff --git a/curriculum/challenges/espanol/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md b/curriculum/challenges/espanol/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
index 1509aabb0d..a55fb82f7b 100644
--- a/curriculum/challenges/espanol/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
+++ b/curriculum/challenges/espanol/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
@@ -40,7 +40,7 @@ assert(
 `nonMutatingSort(globalArray)` no debe ser programada manualmente.
 
 ```js
-assert(!nonMutatingSort.toString().match(/[23569]/g));
+assert(!nonMutatingSort.toString().match(/\[.*?[23569].*?\]/gs));
 ```
 
 La función debe devolver un nuevo arreglo, no el arreglo que se le pasa.
diff --git a/curriculum/challenges/italian/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md b/curriculum/challenges/italian/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
index 253ab93cf9..c68e75beab 100644
--- a/curriculum/challenges/italian/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
+++ b/curriculum/challenges/italian/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.md
@@ -40,7 +40,7 @@ assert(
 `nonMutatingSort(globalArray)` non dovrebbe essere "hard coded" (cioè codificato esplicitamente nel codice).
 
 ```js
-assert(!nonMutatingSort.toString().match(/[23569]/g));
+assert(!nonMutatingSort.toString().match(/\[.*?[23569].*?\]/gs));
 ```
 
 La funzione dovrebbe restituire un nuovo array, non l'array originale che le viene passato.