From d4aef30ea78c03bb75807c0f9ca64f9603010362 Mon Sep 17 00:00:00 2001
From: Sem Bauke <46919888+Sembauke@users.noreply.github.com>
Date: Fri, 9 Apr 2021 05:39:57 +0100
Subject: [PATCH] fix(curriculum): regex compatibility issue for Safari
 (#41725)

* fix(curriculum) regex compatibility issue for Safari

* fix: escape the dot parameter in regex

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>
---
 .../change-a-variable-for-a-specific-area.md          | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/curriculum/challenges/english/01-responsive-web-design/basic-css/change-a-variable-for-a-specific-area.md b/curriculum/challenges/english/01-responsive-web-design/basic-css/change-a-variable-for-a-specific-area.md
index 1d769a74d9..33646c3e90 100644
--- a/curriculum/challenges/english/01-responsive-web-design/basic-css/change-a-variable-for-a-specific-area.md
+++ b/curriculum/challenges/english/01-responsive-web-design/basic-css/change-a-variable-for-a-specific-area.md
@@ -23,10 +23,19 @@ The `penguin` class should reassign the `--penguin-belly` variable to `white`.
 
 ```js
 assert(
-  code.match(/\.penguin\s*?{[\s\S]*(?<!background-color: )--penguin-belly\s*?:\s?white\s*?;[\s\S]*}/gi)
+  code.match(/\.penguin\s*?{[\s\S]*--penguin-belly\s*?:\s*?white\s*?;[\s\S]*}/gi)
 );
 ```
 
+The `penguin` class should not contain the `background-color` property
+
+```js
+assert(
+  code.match(/^((?!background-color\s*?:\s*?)[\s\S])*$/g)
+);
+``` 
+
+
 # --seed--
 
 ## --seed-contents--