don't use lookbehind regex

packages/start/src/router/routes.ts

@@ -33,17 +33,17 @@ function defineRoutes(fileRoutes: Route[]) {
     });
 
     if (!parentRoute) {
-      routes.push({
-        ...route,
-        id,
-        path: id
-          // strip out escape group for escaping nested routes - e.g. foo(bar) -> foo
-          .replace(/\/\([^)/]+\)/g, "")
-          .replace(/\([^)/]+\)/g, "")
-          // replace . with / for flat routes - e.g. foo.bar -> foo/bar
-          // ensures that ... of splat routes is not replaced
-          .replace(/(?<!\.)\.(?!\.)/g, "/")
-      });
+      const path = id
+        // strip out escape group for escaping nested routes - e.g. foo(bar) -> foo
+        .replace(/\/\([^)/]+\)/g, "")
+        .replace(/\([^)/]+\)/g, "")
+        // replace . with / for flat routes - e.g. foo.bar -> foo/bar
+        .replace(/\./g, "/")
+        // converts any splat route ... that got replaced back from ///
+        // this could be avoided with a lookbehind regex but safar has only supported them since mid 2023
+        .replace("///", "...");
+
+      routes.push({ ...route, id, path });
       return routes;
     }
     processRoute(