Move regex to constant

Author: brophdawg11

packages/remix-react/components.tsx

@@ -283,15 +283,16 @@ function usePrefetchBehavior(
   ];
 }
 
+const ABSOLUTE_URL_REGEX = /^(?:[a-z][a-z0-9+.-]*:|\/\/)/i;
+
 /**
  * A special kind of `<Link>` that knows whether or not it is "active".
  *
  * @see https://remix.run/components/nav-link
  */
 let NavLink = React.forwardRef<HTMLAnchorElement, RemixNavLinkProps>(
   ({ to, prefetch = "none", ...props }, forwardedRef) => {
-    let isAbsolute =
-      typeof to === "string" && /^(?:[a-z][a-z0-9+.-]*:|\/\/)/i.test(to);
+    let isAbsolute = typeof to === "string" && ABSOLUTE_URL_REGEX.test(to);
 
     let href = useHref(to);
     let [shouldPrefetch, prefetchHandlers] = usePrefetchBehavior(
@@ -324,8 +325,7 @@ export { NavLink };
  */
 let Link = React.forwardRef<HTMLAnchorElement, RemixLinkProps>(
   ({ to, prefetch = "none", ...props }, forwardedRef) => {
-    let isAbsolute =
-      typeof to === "string" && /^(?:[a-z][a-z0-9+.-]*:|\/\/)/i.test(to);
+    let isAbsolute = typeof to === "string" && ABSOLUTE_URL_REGEX.test(to);
 
     let href = useHref(to);
     let [shouldPrefetch, prefetchHandlers] = usePrefetchBehavior(