Convert Github Flavored Markdown Code Block to Liquid Tag in VIM
:%s/\v^```(.*)$(\_.{-})^```$/{% highlight \1 %}\2{% endhighlight %}/g | %s/{% highlight %}/{% highlight text %}/g
:%s/\v^```(.*)$(\_.{-})^```$/{% highlight \1 %}\2{% endhighlight %}/g | %s/{% highlight %}/{% highlight text %}/g