fixed validation

src/static/js/validLink.js

@@ -15,12 +15,12 @@ document.addEventListener('DOMContentLoaded', () => {
     // Function to validate URLs
     const isValidURL = (url) => {
         const pattern = new RegExp(
-            '^(https?:\\/\\/)' + // Protocol (http or https)
-            '(([a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,})' + // Domain name
-            '(\\:[0-9]{1,5})?' + // Optional port number
-            '(\\/.*)?$', // Path, query string, or fragment
+            '^(https?:\\/\\/)?' +                // Protocol (http or https)
+            '(([a-zA-Z0-9_-]+\\.)+[a-zA-Z]{2,6})' + // Domain name
+            '(\\/[a-zA-Z0-9@:%_\\+.~#?&//==-]*)?$', // Path, query, or fragment (now includes `=`)
             'i'
-        );
+          );
+          
         return pattern.test(url);
     };