Fix `vueRE` conflicting with `lineNoRE`

[Heptazhou]

This resolves, e.g.:

```json-vue:line-numbers
{{ theme }}

and
````md
```json-vue:no-line-numbers
{{ theme }}

[brc-dd]

Fine with accepting this, but the line numbers will not be reliable if your string contains more than one line:

[Heptazhou]

@brc-dd Exactly!

Since my config has a markdown: { lineNumbers: true }, *-vue:no-line-numbers helps turn off the broken line number.