From b717bd96b10082654c25e3cc250193977184cb28 Mon Sep 17 00:00:00 2001
From: rawalcher <rawalcher@edu.aau.at>
Date: Mon, 27 Jan 2025 12:05:35 +0100
Subject: [PATCH] modified regex

- it matched "www.google" which shouldnt be possible
---
 frontend/index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/frontend/index.js b/frontend/index.js
index 3c312be..da7e0ed 100644
--- a/frontend/index.js
+++ b/frontend/index.js
@@ -2,7 +2,8 @@ document.getElementById("urlInput").addEventListener("input", function() {
     const urlInput = document.getElementById("urlInput");
     const shortenButton = document.getElementById("shortenButton");
 
-    const urlPattern = /^(https?:\/\/)?([\w\d-]+\.)+[a-z]{2,6}(\/[\w\d-]*)*\/?$/i;
+    const urlPattern = /(https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s]{2,}|www\.[a-zA-Z0-9]+\.[^\s]{2,})/i
+
     const isValid = urlPattern.test(urlInput.value);
 
     if (isValid) {