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

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

Author: schmidsi

src/pages/web/ensv2-readiness.mdx

@@ -53,11 +53,12 @@ This is **incorrect** because it excludes DNS names imported into ENS (like `ens
 
 ### Correct Pattern: Match All Valid Domains
 
-Instead, your integration should match any valid domain name with a regex like this:
+Instead, your integration should treat any dot-separated string with as a potential ENS name. For example, `a.co` should be treated as a potential ENS name.
 
-```regex
-^(?:[\dA-Za-z-]+\.)+[A-Za-z]{2,}$
-```
+```js
+if (input.includes('.') && input.length > 2) {
+   // ...
+}
 
 :::info
 Note that inputs should always be [normalized](/resolution/names).