diff --git a/curriculum/challenges/english/01-responsive-web-design/css-grid/divide-the-grid-into-an-area-template.english.md b/curriculum/challenges/english/01-responsive-web-design/css-grid/divide-the-grid-into-an-area-template.english.md
index bcdf652bf4..1a91452b87 100644
--- a/curriculum/challenges/english/01-responsive-web-design/css-grid/divide-the-grid-into-an-area-template.english.md
+++ b/curriculum/challenges/english/01-responsive-web-design/css-grid/divide-the-grid-into-an-area-template.english.md
@@ -33,7 +33,7 @@ Place the area template so that the cell labeled <code>advert</code> becomes an
 ```yml
 tests:
   - text: <code>container</code> class should have a <code>grid-template-areas</code> property similar to the preview but has <code>.</code> instead of the <code>advert</code> area.
-    testString: assert(code.match(/.container\s*?{[\s\S]*grid-template-areas\s*?:\s*?"\s*?header\s*?header\s*?header\s*?"\s*?"\s*?.\s*?content\s*?content\s*?"\s*?"\s*?footer\s*?footer\s*?footer\s*?"\s*?;[\s\S]*}/gi));
+    testString: const removeCssComments = str => str.replace(/\/\*[\s\S]+?\*\//g, ''); assert(removeCssComments(code).match(/.container\s*?{[\s\S]*grid-template-areas\s*?:\s*?"\s*?header\s*?header\s*?header\s*?"\s*?"\s*?.\s*?content\s*?content\s*?"\s*?"\s*?footer\s*?footer\s*?footer\s*?"\s*?;[\s\S]*}/gi));
 
 ```
 
diff --git a/curriculum/challenges/english/01-responsive-web-design/css-grid/place-items-in-grid-areas-using-the-grid-area-property.english.md b/curriculum/challenges/english/01-responsive-web-design/css-grid/place-items-in-grid-areas-using-the-grid-area-property.english.md
index ce6bfc6ebe..f1bfdc56f9 100644
--- a/curriculum/challenges/english/01-responsive-web-design/css-grid/place-items-in-grid-areas-using-the-grid-area-property.english.md
+++ b/curriculum/challenges/english/01-responsive-web-design/css-grid/place-items-in-grid-areas-using-the-grid-area-property.english.md
@@ -30,7 +30,7 @@ Place an element with the <code>item5</code> class in the <code>footer</code> ar
 ```yml
 tests:
   - text: <code>item5</code> class should have a <code>grid-area</code> property that has the value of <code>footer</code>.
-    testString: assert(code.match(/.item5\s*?{[\s\S]*grid-area\s*?:\s*?footer\s*?;[\s\S]*}/gi));
+    testString: const removeCssComments = str => str.replace(/\/\*[\s\S]+?\*\//g, '');assert(removeCssComments(code).match(/.item5\s*?{[\s\S]*grid-area\s*?:\s*?footer\s*?;[\s\S]*}/gi));
 
 ```
 
diff --git a/curriculum/challenges/english/01-responsive-web-design/css-grid/use-media-queries-to-create-responsive-layouts.english.md b/curriculum/challenges/english/01-responsive-web-design/css-grid/use-media-queries-to-create-responsive-layouts.english.md
index a9382da834..5fdc5102cb 100644
--- a/curriculum/challenges/english/01-responsive-web-design/css-grid/use-media-queries-to-create-responsive-layouts.english.md
+++ b/curriculum/challenges/english/01-responsive-web-design/css-grid/use-media-queries-to-create-responsive-layouts.english.md
@@ -23,7 +23,7 @@ When the viewport width is <code>400px</code> or more, make the header area occu
 ```yml
 tests:
   - text: When the viewport is <code>400px</code> or more, <code>container</code> class should have a <code>grid-template-areas</code> property in which the header and footer areas occupy the top and bottom rows respectively and advert and content occupy the left and right columns of the middle row.
-    testString: assert(code.match(/@media\s*?\(\s*?min-width\s*?:\s*?400px\s*?\)[\s\S]*.container\s*?{[\s\S]*grid-template-areas\s*?:\s*?"\s*?header\s*?header\s*?"\s*?"\s*?advert\s*?content\s*?"\s*?"\s*?footer\s*?footer\s*?"\s*?;[\s\S]*}/gi));
+    testString: const removeCssComments = str => str.replace(/\/\*[\s\S]+?\*\//g, ''); assert(removeCssComments(code).match(/@media\s*?\(\s*?min-width\s*?:\s*?400px\s*?\)[\s\S]*.container\s*?{[\s\S]*grid-template-areas\s*?:\s*?"\s*?header\s*?header\s*?"\s*?"\s*?advert\s*?content\s*?"\s*?"\s*?footer\s*?footer\s*?"\s*?;[\s\S]*}/gi));
 
 ```