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 b73b18fb268..2b788e75117 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": "myVar = myVar + 1; should be changed",
"testString":
- "assert(/var\\s*myVar\\s*=\\s*87;\\s*\\/*.*\\s*myVar\\+\\+;/.test(code), 'myVar = myVar + 1; should be changed');"
+ "assert(/var\\s*myVar\\s*=\\s*87;\\s*\\/*.*\\s*([+]{2}\\s*myVar|myVar\\s*[+]{2});/.test(code), 'myVar = myVar + 1; should be changed');"
},
{
"text": "Use the ++ operator",
@@ -729,7 +729,7 @@
{
"text": "myVar = myVar - 1; should be changed",
"testString":
- "assert(/var\\s*myVar\\s*=\\s*11;\\s*\\/*.*\\s*myVar--;/.test(code), 'myVar = myVar - 1; should be changed');"
+ "assert(/var\\s*myVar\\s*=\\s*11;\\s*\\/*.*\\s*([-]{2}\\s*myVar|myVar\\s*[-]{2});/.test(code), 'myVar = myVar - 1; should be changed');"
},
{
"text": "Use the -- operator on myVar",