anchor.diff:      "analysis": {
         "analyzer": {
           "my_analyzer": {
  -          "tokenizer": "whitespace",
  +          "tokenizer": "keyword",
             "filter": [ "word_delimiter_graph" ]
           }
         }
  
positive.code:     "analysis": {
        "analyzer": {
          "my_analyzer": {
            "tokenizer": "whitespace",
            "filter": [ "my_custom_word_delimiter_graph_filter" ]
          }
        },
  
negative.code: (Optional, boolean)
  If `true`, the filter produces catenated tokens for chains of numeric characters
  separated by non-alphabetic delimiters. For example: `01-02-03` ->
  [ **`010203`**, `01`, `02`, `03` ]. Defaults to `false`.
  
  [WARNING]
  ====
  