How to filter out (broken) HTML Tags in ElasticSearch's Highlights?

问题

I'm having trouble with the ElasticSearch Grails Plugin, namely the highlighting Feature.

It is returning text with HTML tags, which would not be a big problem, but it is returning broken, cut-off HTML tags as well.

i.e. "href=google.de> Link <a"

Those can't be easily filtered out with a RegEx.

The solution to this seems to be a custom analyzer like this:

'{
   "index" : {
      "analysis" : {
         "analyzer" : {
            "test_1" : {
               "char_filter" : [
                  "html_strip"
               ],
               "tokenizer" : "standard"
            },
            "test_2" : {
               "filter" : [
                  "standard",
                  "lowercase",
                  "stop",
                  "asciifolding"
               ],
               "char_filter" : [
                  "html_strip"
               ],
               "tokenizer" : "standard"
            }
         }
      }
   }
}'

From HTML Strip in Elastic Search

The question is how do i get the above into the GRAILS elasticsearch plugin ? (or any other solution for that matter)

来源：https://stackoverflow.com/questions/42004164/how-to-filter-out-broken-html-tags-in-elasticsearchs-highlights