美好的一天，我创建了一个基于语音的可搜索索引（在示例2字段中：在metaphone和ngram上编制索引）。如何配置索引以不考虑这样的句子中的空白：“4gb”和“4 gb”？
PUT product_name
{
"settings": {
"index": {
"number_of_shards": 1,
"number_of_replicas": 0,
"analysis": {
"analyzer": {
"ngram_index": {
"tokenizer": "standard",
"filter": [
"standard",
"lowercase",
"index_ngram",
"stopwords",
"synonym"
]
},
"meta_index": {
"filter":["standard","lowercase","my_metaphone","stopwords", "synonym"],
"type":"custom",
"tokenizer":"standard"
}
},
"filter": {
"index_ngram": {
"type": "nGram",
"min_gram": 3,
"max_gram": 15
},
"my_metaphone" : {
"type" : "phonetic",
"encoder" : "metaphone",
"replace" : true
},
"synonym" : {
"type" : "synonym",
"synonyms" : [
"i-pod, i pod => ipod",
"universe, cosmos",
"1, I, i",
"2, II, ii",
"3, III, iii",
"4, IV, iv",
"5, V, v",
"6, VI, vi",
"7, VII, vii",
"8, VIII, viii",
"9, IX, ix",
"10, X, x",
"s4, sIV",
"4 gb, 4gb"
]
},
"stopwords": {
"type": "stop",
"stopwords": "algúnalguna, algunasЭ
}
}
}
}
},
"mappings": {
"products": {
"properties": {
"Name": {
"type": "multi_field",
"fields": {
"Name": {
"type": "string"
},
"NGram_name": {
"type": "string",
"index_analyzer": "ngram_index",
"search_analyzer": "ngram_index"
},
"Meta_name": {
"type": "string",
"index_analyzer": "meta_index",
"search_analyzer": "meta_index"
}
}
}
}
}
}
}