diff --git a/challenges/02-javascript-algorithms-and-data-structures/basic-javascript.json b/challenges/02-javascript-algorithms-and-data-structures/basic-javascript.json
index b73b18fb26..2b788e7511 100644
--- a/challenges/02-javascript-algorithms-and-data-structures/basic-javascript.json
+++ b/challenges/02-javascript-algorithms-and-data-structures/basic-javascript.json
@@ -661,7 +661,7 @@
         {
           "text": "<code>myVar = myVar + 1;</code> should be changed",
           "testString":
-            "assert(/var\\s*myVar\\s*=\\s*87;\\s*\\/*.*\\s*myVar\\+\\+;/.test(code), '<code>myVar = myVar + 1;</code> should be changed');"
+            "assert(/var\\s*myVar\\s*=\\s*87;\\s*\\/*.*\\s*([+]{2}\\s*myVar|myVar\\s*[+]{2});/.test(code), '<code>myVar = myVar + 1;</code> should be changed');"
         },
         {
           "text": "Use the <code>++</code> operator",
@@ -729,7 +729,7 @@
         {
           "text": "<code>myVar = myVar - 1;</code> should be changed",
           "testString":
-            "assert(/var\\s*myVar\\s*=\\s*11;\\s*\\/*.*\\s*myVar--;/.test(code), '<code>myVar = myVar - 1;</code> should be changed');"
+            "assert(/var\\s*myVar\\s*=\\s*11;\\s*\\/*.*\\s*([-]{2}\\s*myVar|myVar\\s*[-]{2});/.test(code), '<code>myVar = myVar - 1;</code> should be changed');"
         },
         {
           "text": "Use the <code>--</code> operator on <code>myVar</code>",