Implemented fix for url crashing

src/Login.svelte

@@ -1,5 +1,7 @@
 <script>
   import { apikey, lang, stationinfo, api_endpoint } from "./store.js";
+  import isURL from "validator/lib/isURL";
+  import isUUID from "validator/lib/isUUID";
   import axios from "axios";
   import { _, locale } from "svelte-i18n";
   let token;
@@ -10,30 +12,7 @@
     token?.length === 44 &&
     token.split(".")[0].length === 7 &&
     isUUID(token.split(".")[1]);
-  $: isEndpointValid = validURL(api_endpoint_input);
-  function validURL(str) {
-    var pattern = new RegExp(
-      "^(https?:\\/\\/)?" + // protocol
-        "((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|" + // domain name
-        "((\\d{1,3}\\.){3}\\d{1,3}))" + // OR ip (v4) address
-        "(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*" + // port and path
-        "(\\?[;&a-z\\d%_.~+=-]*)?" + // query string
-        "(\\#[-a-z\\d_]*)?$",
-      "i"
-    ); // fragment locator
-    return !!pattern.test(str);
-  }
-  function isUUID(uuid) {
-    let s = "" + uuid;
-
-    s = s.match(
-      "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$"
-    );
-    if (s === null) {
-      return false;
-    }
-    return true;
-  }
+  $: isEndpointValid = isURL(api_endpoint_input);
 </script>
 
 <div class="w-full flex flex-wrap">