Update mask.md

snippets/mask.md

@@ -1,6 +1,6 @@
 ---
 title: mask
-tags: string,utility,regexp,intermediate
+tags: string,utility,intermediate
 ---
 
 Replaces all but the last `num` of characters with the specified mask character.
@@ -17,4 +17,4 @@ const mask = (cc, num = 4, mask = '*') => `${cc}`.slice(-num).padStart(`${cc}`.l
 mask(1234567890); // '******7890'
 mask(1234567890, 3); // '*******890'
 mask(1234567890, -4, '$'); // '$$$$567890'
-```
+```