same token position issue

gistfile1.sh

echo -e "delete index..."
curl -XDELETE "http://192.168.72.24:5028/test"
echo -e "\ncreate index..."
curl -XPUT "http://192.168.72.24:5028/test" -d '
{
    "settings": {
        "index": {
            "number_of_shards": 5,
            "number_of_replicas": 0,
            "analysis": {   
                "analyzer": {
                    "fielda_index": {
                         "type": "custom",
                         "tokenizer": "standard",
                         "filter": [ "words_delimiter"]
                    },
                    "fielda_search": {
                         "type": "custom",
                         "tokenizer": "standard",
                         "filter": ["dot_delimiter"]
                    }
                },
                "filter": {
                    "dot_delimiter":
                    {
                        "type" : "pattern_capture",
                        "preserve_original" : 1,
                        "patterns" : [
                          "([\\p{Ll}\\p{Lu}]+\\d*|\\d+)"
                       ]
                    },
                    "words_delimiter":
                    {
                        "type" : "pattern_capture",
                        "preserve_original" : 1,
                        "patterns" : [
                          "(\\p{Ll}+|\\p{Lt}+|\\p{Lu}+\\p{Ll}+|\\p{Lu}+)",
                          "(\\d+)"
                       ]
                    }
                    
                }
            }
        }
    },
    "mappings": {
        "main": {
            "_source": {"enabled": true},
            "dynamic_date_formats": ["basic_date_time_no_millis"],
            "properties": {
                "name": { "type": "string", "index": "analyzed", "index_analyzer": "fielda_index", "search_analyzer": "fielda_search", "include_in_all": true}
            }
        }
    }
}
'
echo -e "\npush doc..."
curl -XPOST "http://192.168.72.24:5028/test/main" -d '{"name": "942430__n.jpg"}'
curl -XPOST "http://192.168.72.24:5028/test/main" -d '{"name": "n"}'
echo -e "\nsearch..."
sleep 2
curl -XPOST "http://192.168.72.24:5028/test/main/_search" -d '{"from": 0, "size": 100, "query":{"match": {"name":{"query":"942430__n.jpg", "operator" : "and"}}}}'