Install the app
Elasticsearch query dsl contains. But none of the seems to be working for my use case.
Elasticsearch query dsl contains. com Searching for documents containing specific substrings within a field is a common requirement in Elasticsearch. ColumnX In other words I need to verify if ColumnA contains or match with Column B. Usually with a query_string query in elasticsearch, I can do: name:"Fred" I want to find all documents where name is not equal to Fred. (And, if DSL makes your head spin, skip to the final section of this post Aug 28, 2024 · In Elasticsearch, when working with multiple indices or data sources with varying structures, we may encounter situations where certain fields are present in some documents but absent in others. The query string is processed using the same analyzer that was applied to the field during indexing. Suppose if I need to display logs which contains application name in the log message then what query I need to use in dashboard. The bool query maps to Lucene BooleanQuery. 0057867 and resulted with status: Healthy" "Health check took 00:00:00. use parent-child relationships (between different Elasticsearch documents) if you search in multiple fields and update child documents often (because updates of nested documents will update the whole ensemble). Query string query A query_string query parses the query string based on the query string syntax. For an overview of all the search capabilities in ES|QL, refer to Using ES|QL for search. The idea of running the query_string query against multiple fields is by internally creating several queries for the same query string, each with default_field that match the fields provided. elastic. I have a document containing Oct 8, 2019 · Below query works. With query DSL, you need to specify a query in the query parameter of the search. For example if this document doesn't have the field/key "price" The query_string query can also run against multiple fields. This is working fine except for '/' present in the search. The query supports two ways of defining the query shape, either by Sep 15, 2016 · I'm pretty new to elastic search and would like to write a query that is concerned about two fields. The documents contains below fields: name adhar_number pan_number acc_number I want to create a elasticsearch dsl query. g. Query DSL is a flexible language with a JSON interface. But in case case I s Wildcard query Returns documents that contain terms matching a wildcard pattern. the filter vs. We covered Query DSL extensively in our Elasticsearch queries introduction. It is built on top of the official low-level client (elasticsearch-py). If an object matches the search, the nested query returns the root parent document. Sep 27, 2018 · Contains Query or Partial matching in Elasticsearch Asked 6 years, 11 months ago Modified 6 years, 11 months ago Viewed 52k times Trying to come up with a query to search "message" field for something like "Hello" and also the field must not contain strings like "Test" "TestProcess". Requires the shape Mapping. The query then analyzes each term independently before returning matching documents. Get started with Query DSL search and filters Stack Serverless This is a hands-on introduction to the basics of full-text search with Elasticsearch, also known as lexical search, using the _search API and Query DSL. KQL only filters data, and has no role in aggregating, transforming, Jun 22, 2023 · Introduction Regular expressions (regex) are a powerful way to search and filter text data. Aug 10, 2018 · I just have problem with elasticsearch, I have some business requirement that need to search with special characters. We’ll look at an example of such a query in the following code: Retrieve selected fields from a search Stack By default, each hit in the search response includes the document _source, which is the entire JSON object that was provided when indexing the document. From the documenation https://www. What is the proper syntax for that? Apr 21, 2020 · Which query can I use in Elasticsearch to find/filter something that does not contain some value/text? Is it possible in Elasticsearch? To search for documents that contain more than one matching term, use the [`terms_set` query](https://www. In this scenario, we’re implementing search for a cooking blog. In your case just with value:failure is probably enough if the data is on the same field, but this would work with boolean operators such as NOT as well. - The `content` field contains the word `elasticsearch`. \Looks like it is not recommended to use wildcard * at the beginning of the search term considering the performance impact. Sep 19, 2018 · I have index with multiple documents. Jul 23, 2025 · The Elasticsearch Query DSL allows us to construct complex queries using JSON-like syntax. Jul 9, 2019 · hi, I'm starting on DSL query I'm a little bit lost because as an example I try to match a very easy sample but I can't match Is somebody can help me ? the only answer I get (on elasticsearch Head) is the 10th fi… Dec 15, 2024 · OpenSearch - Query DSL - Joining Queries - Nested query - Multi-level nested queries. Specifically Match and F Shape query Queries documents that contain fields indexed using the shape type. Understand syntax, see examples, and explore best practices. I'm looking for a way to write a "not-contains" query. Nov 19, 2024 · A comprehensive guide to Creating Custom Elasticsearch Query DSLs for Advanced Use Cases. Geoshape query Filter documents indexed using either the geo_shape or the geo_point type. Nov 10, 2021 · Hi all we got a lot of logs that look like that: "Health check took 00:00:00. When I do this, it works and returns the aggregated values. what need to be done I am having access to data of an elasticsearch instance using Kibana. GenericJDBCException: Cannot open connection at org. Match will also work against semantic_text fields. This can make finding exact matches for text field values difficult. Add a new Panel in Kibana, simple terms based panel should do. I have A log message in Kibana that contains this: org. IMPORTANT: This parameter overrides the query parameter in the request body. For example, if a value is " hello world " and if you do search hel * it does not return anything. Querying You’ll use a combination of an API endpoint and a query language to interact with your data. In nearly all places in Kibana, where you can provide a query you can see which one is used by the label on the right of the search box. 3: If no fields are provided, the multi_match query defaults to the index. Jan 27, 2023 · Today I want to share a little piece of information about the Elasticsearch Query DSL we all love and cherish. Use Inspect button in kibana to see what query is actually being fired and make sure you are using correct index pattern as well. A wildcard operator is a placeholder that matches one or more characters. It is built using one or more boolean clauses, each clause with a typed occurrence. In this article, we will have a look at the queries that are commonly in use and can be useful. Learn practical implementation, best practices, and real-world examples. The queries in this group are: intervals query A full text query that allows fine-grained control of the ordering and proximity of matching terms. Elasticsearch provides a full Query DSL (Domain Specific Language) based on JSON to define queries. Both formats are defined below with examples. Thanks, Nagesh. For Example I've got a field category with values: Car Bus Train Nov 12, 2023 · The new ES|QL query language takes a completely different approach. Nov 21, 2023 · Elasticsearch provides a full Query DSL (Domain Specific Language) [2] based on JSON to define queries. You can combine wildcard operators with other characters to create a wildcard pattern. But I need to search text with special characters s… Elasticsearch query editor For general documentation on querying data sources in Grafana, including options and functions common to all query editors, see Query and transform data. Exists query Returns documents that contain an indexed value for a field. Aug 22, 2024 · Learn how about the filter and query context environments of Elasticsearch and how to write OR statements in the former. As semantic_text does not support lexical text search, match queries against semantic_text fields 6 1164 October 10, 2017 DSL Query to search in message field for some value and it must not contain something else Elasticsearch 2 3324 October 16, 2021 How to filter a list of word with kibana Kibana 10 1199 December 15, 2020 DSL Query for text in quotes Elasticsearch 6 1692 May 23, 2020 Searching on text fields using wildcard Elasticsearch 5 Mar 17, 2022 · I'm trying to query ElasticSearch to match every document that in a list of list contains all the values requested, but I can't seem to find the perfect query. Aug 23, 2023 · The Elasticsearch Exists Filter is a crucial component in the Elasticsearch query DSL (Domain Specific Language). For the parameters Field put your ID that you want to count, then Apr 26, 2022 · thanks @YD9, If i want to extract document which contain programmer and tester and manager. The match query is the standard query for performing a full-text search, including options for fuzzy matching. Queries can perform full-text search, aggregations, filtering, sorting, and more. The API's query request body parameter accepts queries written in Query DSL. The provided text is analyzed before matching. When you use it and click on Edit Query DSL link, it shows a simple match query, without the not being applied, however it works as expected since the not i Aug 2, 2021 · How to filter not in elasticsearch DSL query Asked 4 years ago Modified 4 years ago Viewed 2k times Nov 12, 2020 · The ElasticSearch DSL query language contains a number of different search operations and I'm trying to understand the property naming conventions of the different clauses. By default, Elasticsearch changes the values of text fields as part of analysis. Ex. However I also need to be able to search with must with two values. Compound Query Clauses − These queries are a combination of leaf query clauses and other compound queries to extract the desired information. NET Client) with examples and refrences, plus tutorials and sample projects. Mar 29, 2019 · I have a kibana visualization that shows the counts of clicks on a field that contains a url as value. For example: A phrase query matches terms up to a configurable Aug 2, 2021 · Photo by Christopher Burns on Unsplash In this post, I’ll introduce the basics of querying in Elasticsearch (ES). springframework. The classes accept any keyword arguments, the dsl then takes all arguments passed to the constructor and serializes them as top-level keys in the resulting dictionary (and thus the resulting json being sent to elasticsearch). There is no "or" or "and" query. The following request searches my-index-000001 using a match query. can any one suggest how to contains search in Elasticsearch. Index. Jun 18, 2016 · The question is about an "analyzed" field, hence the solution is only to re-map the field as "keyword" and reindex. Jul 23, 2025 · This article will guide you through the basics and advanced features of Query DSL, with detailed examples and outputs, to help you master complex search queries in Elasticsearch. This query will match documents where all of the following conditions are met: - The `title` field contains the word `search`. default_field index settings, which in turn defaults to *. This is a hands-on introduction to the basics of full-text search and semantic search, using ES|QL. Feb 2, 2023 · I have a sample query like this, where the passed in query NX19FUP is a registration, it does find and return this vehicle at the top of the list, however it then also returns a number of other random records which wouldn't have NX19FUP contained anywhere in them, in this case i would expect it to return just one record Aug 31, 2020 · A collection of most used Queries, Methods, and Concepts of Elasticsearch and NEST (. You can specify another event category field using the API’s event_category_field parameter. Within the data there is a text field which contains a string. Learn how to use script queries in Elasticsearch for filtering documents and creating field values, applicable in various contexts like queries and aggregations. I am new to Query DSL, can you help me create the query? What's Query DSL? Query DSL is a full-featured JSON-style query language that enables complex searching, filtering, and aggregations. Jul 15, 2020 · I am having access to data of an elasticsearch instance using Kibana. Regular expression syntax A regular expression is a way to match patterns in data using placeholder characters, called operators. hibernate. Avoid using the term query for text fields. May 14, 2019 · New here to Elasticsearch and trying to get a better understanding on the difference between these queries. The query supports two ways of defining the target shape, either by providing a whole shape definition, or by referencing the name, or id, of a shape pre-indexed in another index. ColumnA LIKE Index. In this article, we will discuss the usage of regex queries in Elasticsearch, their performance implications, and how to optimize them for better search performance. A query is made up of two clauses − Leaf Query Clauses − These clauses are match, term or range, which look for a specific value in specific field. The nested query searches nested field objects as if they were indexed as separate documents. It is the original and most powerful query language for Elasticsearch today. category field from the [Elastic Common Schema (ECS)] Elastic Common Schema (ECS)). By default, the EQL search API uses the event. Query DSL: A Brief Overview The Query DSL is a JSON-based language that allows users to query and filter data stored in ElasticSearch. I am going to try and explain the DSL with progressively increasing levels of complex concepts to try and provide Apr 3, 2023 · This Elasticsearch Query String Tutorial helps you in learning about searching data in Elasticsearch Search. , finding documents where a field does not exist) by using a must_not clause in an Elasticsearch query or applying the appropriate filter in Kibana's interface. ES|QL reference Elasticsearch Query Language (ES|QL) is a piped query language for filtering, transforming, and analyzing data. In Elasticsearch, searching is carried out by using query based on JSON. Query DSL OpenSearch provides a search language called query domain-specific language (DSL) that you can use to search your data. hibernate3 Apr 27, 2016 · Hi, Application name is property in the fields list of Kibana dashboard viewlet. Dec 4, 2024 · Discover how to use Elasticsearch's Query String to simplify complex search queries and enhance your search functionality May 14, 2020 · I also tried to copy the query from Query Inspector > Object > request > data (removing the first json with “search_type” and “index”, and taking the second, which contains the actual query in Query DSL for Elasticsearch) and to use it to make a GET request to elasticsearch. There was one in Elasticsearch <= 2. Nov 20, 2023 · Welcome to the Thirteenth episode of our Decoding Elasticsearch query DSL series. See full list on tutorialspoint. name Serch text with special character Elastic Stack Elasticsearch 12. To create a wildcard query for Elasticsearch, you need to specify the wildcard option in your query, followed by a string pattern and asterisks (*), all contained within double quotes. Term level queries in Elasticsearch are used for exact matching of values. Click to read more! Dec 8, 2015 · As of version 7. May 22, 2023 · The Query DSL in Elasticsearch is a flexible, expressive search language that Elasticsearch uses to expose most of the power of Lucene, its underlying search engine. md at master · mjebrahimi/Elasticsearch-NEST-CheatSheet-Tutorials See the Elasticsearch documentation for a full explanation of search requests: search your data, the query DSL, and search APIs. This means that there is a clear one-to-one mapping The big and little clauses can be any span type query. This string (Textfield) looks like JSON but it is not. For example, the following EQL query matches events with an event category of process and a process. Oct 25, 2023 · Learn how to query in source parameter in Elasticsearch. Mar 16, 2019 · Kibana's Elasticsearch Query DSL does not seem to have a "contains string" so I need to custom make a query. The Query DSL provides a rich set of operators, filters, and aggregations that enable users to perform complex queries on large volumes of data. match query The standard query for Feb 16, 2015 · As you can see, must conditions for info are missing. For example if I search for "men's shaver" then I should be able to find "men's shaver" in the result. To search text field values, use the match query instead. The must_not bool query Similarly, to identify records whose field value does NOT match a given query string, you can do so using a must_not boolean query: Jun 8, 2016 · I am not able to do a search in a Elasticsearch with character ending/starting with special character. - The `publish_date` field contains a date from 1 Jan 2015 onwards. While its syntax is more limited than the query_string query Elasticsearch message contains Find messages containing specific text in Elasticsearch with this easy-to-use guide. Hi, I have created index for my files in a server using FsCrawler and using elastcsearch_dsl&python program to match query. Pass all the parameters as keyword arguments. * extracts all fields in the mapping that are eligible to term queries and filters the metadata fields. co/guide/en/elasticsearch/reference/current/query-dsl-term-query. I don't want to count how many documents contain the same value i just want to return some documents based on distinct or … Feb 24, 2016 · I have a query that works fine when I need the property of a document to match just one value. How can I write a DSL query that finds documents where the value for test is either "one two three" or "four five six"? Learn how to use Elasticsearch's Wildcard Query for flexible pattern matching in your search queries. co/docs/reference/query-languages/query-dsl/query-dsl-terms-set-query). Example: I have three documents from my couchdb indexed in ElasticSearch: { "_id" : "1", "na Match query Returns documents that match a provided text, number, date or boolean value. Learn how to search for messages by keyword, phrase, or regular expression, and get results in seconds. e. The following two-match only the second phase (in this case, Cape Basin) "query": { "match_phrase": { "contents&q Dec 18, 2014 · Would not the following work for you: 1. Refer to the Query DSL version for the equivalent examples in Query DSL syntax. It is primarily used to filter documents where a specified field contains non-null values. (myDate:<=2019-12-31) OR (NOT _exists_:myDate) Take a look at Query DSL documentation for Boolean operators for more better understanding with different use cases The Kibana Query Language (KQL) is a simple text-based query language for filtering data. Elasticsearch supports a Jun 16, 2022 · Hi, I am working on a use case which does contains search in logs data indexed in elastic server. Here, it suffices to say that boolean queries cover must, must_not, should, and filter requests. Lucene is a query language directly handled by Elasticsearch. An indexed value may not exist for a document’s field due to a variety of reasons: The field in the source JSON is null or [] The field has "index" : false and "doc_values" : false set in the mapping The length of the field value exceeded an ignore_above setting in the mapping The field value was malformed and ignore Learn the difference between Elasticsearch term vs match with this comprehensive guide. But none of the seems to be working for my use case. This query uses a simple syntax to parse and split the provided query string into terms based on special operators. ```json { "query": { "bool": { "must": [ Full text queries The full text queries enable you to search analyzed text fields such as the body of an email. I mean the content of the fields contains the specified substring. 5k views 3 links Jul 2020 1 / 11 Sep 9, 2021 · Query DSL in OpenSearch OpenSearch docs break down Query DSL into three categories: full-text queries, term-level queries, and boolean queries. 0035042 and resulted with status: Healthy" Is there a way to tell kibana to filter out all messages that contain the string "Health check took"? (I dont want to see them) I can't really control the logs themselves or the way they are index thx! Returns documents that contain terms within a provided range. From Query DSL to the newest ES|QL, find the one that's most appropriate for you. There are two recommended methods to retrieve selected fields from a search query: Use the fields option to extract the values of fields present in the index mapping Use the _source option if you Wildcard search seems not working if a value contains space. It provides a more convenient and idiomatic way to write and manipulate queries. Mapping: Get started with Query DSL search and filters Stack Serverless This is a hands-on introduction to the basics of full-text search with Elasticsearch, also known as lexical search, using the _search API and Query DSL. Apr 8, 2019 · In a wildcard query, ? matches any charcter and * matches zero or more characters. You can use these languages programmatically when working with Elasticsearch and Kibana APIs in your application, or interactively using the Kibana UI. This article covers the syntax for querying, specifying the source query, exploring the query DSL, and examples of Elasticsearch queries. To search nested fields, use the nested query. - The `status` field contains the exact word `published`. A regular expression is a way to match patterns in data using placeholder characters, called operators. For a list of operators supported by the regexp query, see Regular expression syntax. The occurrence types are: Mar 19, 2020 · Check out these top Elasticsearch query examples with hands-on exercises and detailed explanations The match_phrase query analyzes the text and creates a phrase query out of the analyzed text. Here come I've recently started using ElasticSearch and I can't seem to make it search for a part of a word. But I want to do the same thing with match_phras this should be obvious to me but is not. I want to filter the data that contains the particular url. html Alternatively you can use a terms query, which will match all documents with any of the items specified in the given array: Sep 4, 2023 · In Elasticsearch, Query DSL is a powerful way to define and execute complex queries against your data. How do I search for a query in Elasticsearch? You can use the search API to search and aggregate data stored in Elasticsearch data streams or indices. In this tutorial, you'll implement a search function for a cooking blog and learn how to filter data to narrow down search results based on exact criteria. ** UPDATE ** I have updated my elasticsearch query and got rid of that function score. Apr 28, 2017 · I am trying to hit a query in elastic search. This article covers the different use cases for each query type, as well as how to use them effectively in your own Elasticsearch queries. For example, some of the query string might contain (space, @, &, ^, (), !) Oct 30, 2019 · Currently the filter Query DSL, does not match when you use the is not operator. It allows you to specify the criteria and conditions for your search, including filters Nov 13, 2019 · Elasticsearch query DSL is fairly not the simplest thing to use, but once you know how to use it, it can be a powerful tool. In this article, I tried to give you guys a jump start for querying elasticsearch and I encourage you to dig deeper into the elasticsearch documentation. the query is as shown below Regexp query Returns documents that contain terms matching a regular expression. Sep 22, 2020 · I'm writing a Java application and use elastic search as database. In this tutorial, we’ll explore effective techniques to ignore indices where a specific field doesn’t exist, ensuring more accurate and efficient Jan 25, 2019 · Note that even in the actual document’s “ userComment “: contains “ Sri Lanka is one of the best beautiful countries in the world ” the above query get you that document out of the result search result. You'll also discover different options for querying, the purpose of the source parameter, and how to construct complex queries. We’ll look at how queries are structured (e. If you Apr 14, 2020 · I'm trying to return documents from a query and i want to return distinct values in my results. Apr 5, 2022 · I have a field in Kibana called test. It provides for creating powerful yet concise queries that can incorporate wildcards and search multiple fields. The geo_shape query uses the same index as the geo_shape or geo_point mapping to find documents that have a shape that is related to the query shape, using a specified spatial relationship: either intersects, contained, within or disjoint. The _search endpoint accepts queries written in Query DSL syntax. Using this, I'm able to query for results where all terms must match in a single nested item. And then, BTW, it will work also with "query_string" and its not related to the "term" query specifically @Midiman, please remove your note about the current accepted answer as it is the correct answer for the question. 4 but it's Sep 17, 2015 · What is the best way to check if a field of a document in elasticsearch exists? I can't find anything in the documentation. Matching spans from big that contain matches from little are returned. It also supports multi-stage search processing pipelines that allow for fine-grained control over the search process. It is working fine for any text / numbers. exception. In Kibana, create a new query with the criteria to get log entries. Queries The library provides classes for all Elasticsearch query types. It has been built from the ground up to query any kind of data indexed in Elasticsearch, but more importantly, the query engine doesn’t convert the queries to the query DSL at all. So if a banana has id 1 and a An event category is an indexed value of the event category field. In this article, we will explore advanced techniques for querying Elasticsearch to find documents where a field contains a specific substring. - Elasticsearch-NEST-CheatSheet-Tutorials/README. The blog contains Jun 28, 2017 · Hi Basically I need to perform a search similar to LIKE condition in SQL. For example, the * wildcard operator matches zero or more characters. You can use ZomboDB's Query Language, directly generate Elasticsearch QueryDSL in JSON form, or use ZomboDB's SQL builder API which closely mirrors Elasticsearch's QueryDSL. Sep 10, 2022 · Is there any way to use "contains" for a text field? e. the query is a case-insensitive one I am aware of match, match_phrase and query string. Oct 26, 2024 · In Kibana and Elasticsearch, you can perform a "WHERE NOT EXISTS" type of filtering (i. query context, and relevance scoring) in Elasticsearch Domain Specific Language (DSL) and apply them with the Python Elasticsearch Client. Aggregation types Elasticsearch groups aggregations into three categories: Bucket - Bucket aggregations don’t calculate metrics, they create buckets of documents based on field values, ranges and a variety of Filtering using Elasticsearch Query DSL Stack Serverless One can filter the results that SQL will run on using a standard Elasticsearch Query DSL by specifying the query in the filter parameter. For this query two inputs are availabl Boolean query A query that matches documents matching boolean combinations of other queries. "UpdatingTestProcess" Below are sample messages: Message: Hel… Query languages Stack Serverless Elasticsearch provides a number of query languages for interacting with your data. Elasticsearch provides a number of query languages. with Elasticsearch Query DSL? matw (Matthias Wilhelm) September 13, 2022, 7:22am 2 Elasticsearch DSL Elasticsearch DSL is a high-level library whose aim is to help with writing and running queries against Elasticsearch. 314 What is the difference between must and should in a bool query in Elasticsearch? If I ONLY want results that contain my terms, should I then use must ? For example, I have a query that should only contain certain values, and should also have no results that has a date/timestamp lower than today's (time/date - NOW). My base problem still exists. Apr 7, 2016 · This overview covers all the Elasticsearch querying basics, including Lucene and Query DSL; text, span queries, and more Simple query string query Returns documents based on a provided query string, using a parser with a limited but fault-tolerant syntax. Our aim throughout this series is to simplify the complexities of Elasticsearch DSL, taking you from the basics to more advanced . orm. Query DSL ZomboDB supports a few different ways to generate Elasticsearch-compatible queries. Below is the query that I used: Aug 12, 2016 · So ElasticSearch has the terms query, which lets me supply multiple values and return a ist of documents where field X matches any of those values. Elasticsearch, being a full-text search engine, provides support for regex queries to help users perform advanced text searches. Query parameter searches do not support the full Elasticsearch Query DSL but are handy for testing. 2. Basically, if you want to trade query performance for update performance, since the query runs in two steps under the hood: Learn how to create powerful Elasticsearch queries using the Query Domain Specific Language (DSL) with this comprehensive step-by-step guide and tutorial. As far as I can tell, term matches a single term (needs to be lowercase for the match to Oct 19, 2020 · How to query elasticsearch with Startswith, contains and Endswith. Here comes the difference (PLEASE FOCUS ON THE "message" key in the JSON): If you expand the document to see the "expanded document" view with the little "opened folder" icon you can choose two tabs "Table Nov 7, 2023 · Welcome to the sixth episode of our Elasticsearch Query DSL series. Nov 12, 2016 · Learn how to use term level queries with the Query DSL in Elasticsearch. Apr 7, 2023 · Elasticsearch DSL provides a convenient and Pythonic way of interacting with Elasticsearch, and it can be a useful tool for data analysis and search applications. If no fields are provided, the multi_match query defaults to the index. Think of the Query DSL as an AST (Abstract Syntax Tree) of queries, consisting of two types of clauses: Leaf query clauses Leaf query clauses look for a particular value in a particular field, such as the match, term or range queries. I want to perform both exact word match and partial word/substring match. Searches with query_string queries do not return nested documents. The following search returns documents where the age field contains a term between 10 and Jan 4, 2021 · KQL (Kibana Query Language) is a query language available in Kibana, that will be handled by Kibana and converted into Elasticsearch Query DSL. The query multiplies the subject field’s score by three but leaves the message field’s score unchanged. Nested query Wraps another query to search nested fields. like "123456!" { "query": { "query_string": { "default_field Elasticsearch API cheatsheet for developers with copy and paste example for the most useful APIs Elasticsearch offers a versatile and powerful way to search for records using the query_string query. query. Elasticsearch supports regular expressions in the following queries: regexp query_string Elasticsearch uses Apache Lucene 's regular expression engine to parse these queries. This can often lead to unexpected query results. Jan 28, 2024 · This query will match documents with titles containing the word “Elasticsearch”, “Elastic” as well as any other possible document whose title contains a term that would match the given pattern, such as “Plastic”, “Pyroclastic“ and so on. ncp grikj ygvrmz oeo paakmu aoym vlvz bwwlz dfotrg szu