RruForm: fixed console error message regarding field name containing digit

Author: coder966

src/form/hooks/useField.ts

@@ -29,7 +29,7 @@ export const useField = (name: string, onProgrammaticValue?: (serializedValue: a
   const [isTouched, setIsTouched] = useState<boolean>(false);
   const watchResult = useWatch({ name: name });
 
-  if (name && name.split('.').filter((p) => /\d+/.test(p)).length > 0) {
+  if (name && name.split('.').filter((p) => /^\d+$/.test(p)).length > 0) {
     console.error(
       `Field name "${name}" cannot include a numeric part. Try to prefix the numeric part with some string.`
     );