Disable revoke button if ticket link does not match format

app/routes/hammer.tsx

@@ -67,6 +67,7 @@ export default function () {
   const [loading, setLoading] = useState(false);
   const { isOpen, onClose, onOpen } = useDisclosure();
   const toast = useToast();
+  const ticketRegex = /https:\/\/carcrushers\.modmail\.dev\/logs\/[a-f\d]{12}$/;
 
   async function getHistory() {
     setVisible(false);
@@ -260,11 +261,7 @@ export default function () {
                 maxLength={49}
               />
               <InputRightElement>
-                {ticketLink.match(
-                  /https:\/\/carcrushers\.modmail\.dev\/logs\/[a-f\d]{12}$/,
-                )
-                  ? validIcon
-                  : invalidIcon}
+                {ticketLink.match(ticketRegex) ? validIcon : invalidIcon}
               </InputRightElement>
             </InputGroup>
           </ModalBody>
@@ -279,6 +276,7 @@ export default function () {
             </Button>
             <Button
               colorScheme="red"
+              disabled={!Boolean(ticketLink.match(ticketRegex))}
               ml="8px"
               onClick={async () => await revokePunishment()}
             >