Convert "Travellers" to typst

src/Warm-Ups/Regex/main.typ

@@ -118,14 +118,11 @@ Write patterns that match the following strings:
   #hint([Remember that the check digit may be an `X`. Dashes are optional.])
 
 - A word of even length. \
-  #hint([
+  #hint([The set `[A-z]` contains every english letter, capitalized and lowercase. \
-    The set `[A-z]` contains every english letter, capitalized and lowercase. \
+  `[a-z]` will only match lowercase letters.])
-    `[a-z]` will only match lowercase letters.
-  ])
 
 - A word with exactly 3 vowels. \
-  #hint([
+  #hint([The special token `\w` will match any word character. \
-    The special token `\w` will match any word character. \
   It is equivalent to `[A-z0-9_]`. `_` represents a literal underscore.
 ])