fix: improve test regex to validate disallowed methods that can be bypassed by prototype reassignments and/or otherwise (#38214)

* fix: improve test regex to validate disallowed methods that can be bypassed by prototype reassignments and/or otherwise

* fix: fixing regex pattern

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/remove-whitespace-from-start-and-end.english.md

@@ -24,7 +24,7 @@ tests:
   - text: <code>result</code> should equal to <code>"Hello, World!"</code>
     testString: assert(result == "Hello, World!");
   - text: Your solution should not use the <code>String.prototype.trim()</code> method.
-    testString: assert(!code.match(/\.trim\([\s\S]*?\)/));
+    testString: assert(!code.match(/\.?[\s\S]*?trim/));
   - text: The <code>result</code> variable should not be set equal to a string.
     testString: assert(!code.match(/result\s*=\s*".*?"/));