document.getElementById('fetchBtn').addEventListener('click', () => { const urlInput = document.getElementById('pasteUrl').value; // Extract the Paste ID from the provided Pastebin URL const pasteId = getPasteId(urlInput); if (pasteId) { // Redirect to the raw paste route on your server window.location.href = `http://localhost:3000/${pasteId}`; } else { alert('Please enter a valid Pastebin URL.'); } }); function getPasteId(url) { // Check if the URL is a valid Pastebin URL and extract the Paste ID const regex = /pastebin\.com\/(?:raw\/)?([a-zA-Z0-9]+)/; const match = url.match(regex); if (match) { return match[1]; // Return the Paste ID } return null; // Invalid Pastebin URL }