message: match whole expression
diff: @@ -12,7 +12,7 @@ const handleMarkdown = (
  next: Function,
  name: string
  ) => {
  - if (/\d+\./.test(chars)) {
  + if (/^\d+\.$/.test(chars)) {
  if (isList(orderedListNode)(editor)) {
  return undefined
  }
  