fix: recursion test (#37419)

* fix(challenge): recursion test

* fix(challenge): replace regex s flag with g

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/replace-loops-using-recursion.english.md

@@ -57,7 +57,7 @@ tests:
   - text: Your code should not rely on any kind of loops (<code>for</code> or <code>while</code> or higher order functions such as <code>forEach</code>, <code>map</code>, <code>filter</code>, or <code>reduce</code>.).
     testString: assert(!removeJSComments(code).match(/for|while|forEach|map|filter|reduce/g));
   - text: You should use recursion to solve this problem.
-    testString: assert(removeJSComments(sum.toString()).match(/sum\(.*\).*\{.*sum\(.*\).*\}/s));
+    testString: assert(removeJSComments(sum.toString()).match(/sum\(.*\)/g).length > 1);
 ```
 
 </section>