gistfile1.txt

curl -XPUT 'http://127.0.0.1:9200/foo/?pretty=1'  -d '
{
   "mappings" : {
      "bar" : {
         "properties" : {
            "text" : {
               "index" : "not_analyzed",
               "fielddata" : {
                  "filter" : {
                     "regex" : {
                        "pattern" : "^abc.*"
                     }
                  }
               },
               "type" : "string"
            }
         }
      }
   }
}
'

curl -XPOST 'http://127.0.0.1:9200/foo/bar?pretty=1'  -d '
{
   "text" : "abcdef"
}
'

curl -XPOST 'http://127.0.0.1:9200/foo/bar?pretty=1'  -d '
{
   "text" : "bbcdef"
}
'

curl -XGET 'http://127.0.0.1:9200/foo/_search?pretty=1'  -d '
{
   "facets" : {
      "f" : {
         "terms" : {
            "field" : "text"
         }
      }
   }
}
'

# {
#    "hits" : {
#       "hits" : [
#          {
#             "_source" : {
#                "text" : "abcdef"
#             },
#             "_score" : 1,
#             "_index" : "foo",
#             "_id" : "VCVMUOZSS3i9XYfWLUIt2A",
#             "_type" : "bar"
#          },
#          {
#             "_source" : {
#                "text" : "bbcdef"
#             },
#             "_score" : 1,
#             "_index" : "foo",
#             "_id" : "IzSHYYquR9uSICnI9MQo-A",
#             "_type" : "bar"
#          }
#       ],
#       "max_score" : 1,
#       "total" : 2
#    },
#    "timed_out" : false,
#    "_shards" : {
#       "failed" : 0,
#       "successful" : 5,
#       "total" : 5
#    },
#    "facets" : {
#       "f" : {
#          "other" : 0,
#          "terms" : [
#             {
#                "count" : 1,
#                "term" : "abcdef"
#             }
#          ],
#          "missing" : 1,
#          "_type" : "terms",
#          "total" : 1
#       }
#    },
#    "took" : 9
# }