Update src/pages/web/ensv2-readiness.mdx

Co-authored-by: Greg <[email protected]>

Author: schmidsi

src/pages/web/ensv2-readiness.mdx

@@ -44,9 +44,10 @@ ENS supports importing DNS names into ENS, allowing traditional domain names to
 
 Many integrations only treat `.eth` domains as ENS names like this:
 
-```regex
-^[a-zA-Z0-9-]+\.eth$
-```
+```js
+if (input.endsWith('.eth') {
+  // ...
+}
 
 This is **incorrect** because it excludes DNS names imported into ENS (like `ensfairy.xyz`).