fix typo in route update modal (#397)

* update regex to allow one char domains in DNS routing modal

* update regex

src/modules/routes/RouteModal.tsx

@@ -488,7 +488,7 @@ export function RouteModalContent({
                   <div>
                     <HelpText>
                       Assign a peer group with Linux machines to be used as
-                      {exitNode ? " exit nodes." : "routing peers."}
+                      {exitNode ? " exit nodes." : " routing peers."}
                     </HelpText>
                     <PeerGroupSelector
                       max={1}
@@ -577,9 +577,9 @@ export function RouteModalContent({
 
             <div className={cn("flex justify-between")}>
               <div>
-                <Label>Metrics</Label>
+                <Label>Metric</Label>
                 <HelpText className={"max-w-[200px]"}>
-                  Lower metrics indicating higher priority routes.
+                  A lower metric indicates a higher priority route.
                 </HelpText>
               </div>
 

src/modules/routes/RouteUpdateModal.tsx

@@ -396,9 +396,9 @@ function RouteUpdateModalContent({ onSuccess, route, cell }: ModalProps) {
             )}
             <div className={cn("flex justify-between")}>
               <div>
-                <Label>Metrics</Label>
+                <Label>Metric</Label>
                 <HelpText className={"max-w-[200px]"}>
-                  Lower metrics indicating higher priority routes.
+                  A lower metric indicates a higher priority route.
                 </HelpText>
               </div>
 

src/utils/helpers.ts

@@ -42,7 +42,7 @@ export const sleep = (ms: number) => {
 export const validator = {
   isValidDomain: (domain: string) => {
     const unicodeDomain =
-      /^(?!.*\s)(\.?[a-zA-Z0-9\u00A1-\uFFFF](?!.*\s$)(?!.*\.$)(?:(?!-)[a-zA-Z0-9\u00A1-\uFFFF-]{1,63}(?<!-)\.){0,126}(?!-)[a-zA-Z0-9\u00A1-\uFFFF-]{1,63}(?<!-))$/u;
+        /^(?!.*\.\.)(?!.*\.$)(?!.*\s)(?:(?!-)(?!.*--)[a-zA-Z0-9\u00A1-\uFFFF-]{1,63}(?<!-)\.)+(?!-)(?!.*--)[a-zA-Z0-9\u00A1-\uFFFF-]{2,63}$/u;
     try {
       const minMaxChars = [1, 255];
       const isValidDomainLength =