Elasticsearch 7.x reserved characters (qbit)

Preface

• This article is valid for Elasticsearch 7.13

query_string reserved characters

• Official document: https://www.elastic.co/guide/en/elasticsearch/reference/7.12/query-dsl-query-string-query.html#_reserved_characters

+ - = && || > < ! ( ) { } [ ] ^ " ~ * ? : \ /

regex reserved characters

• Official document: https://www.elastic.co/guide/en/elasticsearch/reference/7.12/regexp-syntax.html#regexp-reserved-characters

. ? + * | { } [ ] ( ) " \
# @ & < >  ~

Query_string and regex reserved character union

+ - = & | > < ! ( ) { } [ ] ^ " ~ * ? : \ / . # @

+-=&|><!(){}[]^"~*?:\/.#@

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