diff --git a/guide/english/certifications/javascript-algorithms-and-data-structures/functional-programming/split-a-string-into-an-array-using-the-split-method/index.md b/guide/english/certifications/javascript-algorithms-and-data-structures/functional-programming/split-a-string-into-an-array-using-the-split-method/index.md
index 1fe7599d4b..5e35c395e0 100644
--- a/guide/english/certifications/javascript-algorithms-and-data-structures/functional-programming/split-a-string-into-an-array-using-the-split-method/index.md
+++ b/guide/english/certifications/javascript-algorithms-and-data-structures/functional-programming/split-a-string-into-an-array-using-the-split-method/index.md
@@ -7,6 +7,8 @@ Simply split the string to create a new array of words.
 
 A simple regular expression can be used to achieve this result.
 
+`/\W/`	Matches any non-word character. This includes spaces and punctuation, but not underscores. It's equivalent to `/[^A-Za-z0-9_]/`. For more information about Regular Expressions, see the official [MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions).
+
 ### Solution
 ```javascript
 function splitify(str) {