Differentiate between test & match (#38498)

* Differentiate between test & match

I noticed that nowhere was there a mention that .match() and .test() pass in and are applied to opposite objects.  This would've saved me a few minutes of searching during later challenges that assume this is understood.

* Add in .match & .test difference after example

* fix: add spaces to stop lint errors

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/extract-matches.english.md

@@ -8,7 +8,8 @@ forumTopicId: 301340
 ## Description
 <section id='description'>
 So far, you have only been checking if a pattern exists or not within a string. You can also extract the actual matches you found with the <code>.match()</code> method.
-To use the <code>.match()</code> method, apply the method on a string and pass in the regex inside the parentheses. Here's an example:
+To use the <code>.match()</code> method, apply the method on a string and pass in the regex inside the parentheses. 
+Here's an example:
 
 ```js
 "Hello, World!".match(/Hello/);
@@ -19,6 +20,13 @@ ourStr.match(ourRegex);
 // Returns ["expressions"]
 ```
 
+Note that the `.match` syntax is the "opposite" of the `.test` method you have been using thus far:
+
+```js
+'string'.match(/regex/);
+/regex/.test('string');
+```
+
 </section>
 
 ## Instructions