minor fixes

9-regular-expressions/05-regexp-multiline-mode/article.md

@@ -16,7 +16,7 @@ let str = `1st place: Winnie
 3rd place: Eeyore`;
 
 *!*
-alert( str.match(/^\d/gm) ); // 1, 2, 3
+console.log( str.match(/^\d/gm) ); // 1, 2, 3
 */!*
 ```
 
@@ -28,7 +28,7 @@ let str = `1st place: Winnie
 3rd place: Eeyore`;
 
 *!*
-alert( str.match(/^\d/g) ); // 1
+console.log( str.match(/^\d/g) ); // 1
 */!*
 ```
 
@@ -51,7 +51,7 @@ let str = `Winnie: 1
 Piglet: 2
 Eeyore: 3`;
 
-alert( str.match(/\d$/gm) ); // 1,2,3
+console.log( str.match(/\d$/gm) ); // 1,2,3
 ```
 
 Without the flag `pattern:m`, the dollar `pattern:$` would only match the end of the whole text, so only the very last digit would be found.
@@ -75,7 +75,7 @@ let str = `Winnie: 1
 Piglet: 2
 Eeyore: 3`;
 
-alert( str.match(/\d\n/gm) ); // 1\n,2\n
+console.log( str.match(/\d\n/gm) ); // 1\n,2\n
 ```
 
 As we can see, there are 2 matches instead of 3.

9-regular-expressions/11-regexp-groups/01-test-mac/solution.md

@@ -9,7 +9,7 @@ Now let's show that the match should capture all the text: start at the beginnin
 Finally:
 
 ```js run
-let regexp = /^[0-9a-fA-F]{2}(:[0-9a-fA-F]{2}){5}$/i;
+let regexp = /^[0-9a-f]{2}(:[0-9a-f]{2}){5}$/i;
 
 alert( regexp.test('01:32:54:67:89:AB') ); // true