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document the new
analysis-phonenumber plugin
this is part of opensearch-project/OpenSearch#11326. the actual implementation was done opensearch-project/OpenSearch#15915. see the commit message on the PR for further details. resolves opensearch-project#8389 Signed-off-by: Ralph Ursprung <[email protected]>
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_install-and-configure/additional-plugins/analysis-phonenumber-plugin.md
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| --- | ||
| layout: default | ||
| title: Phone number analysis plugin | ||
| parent: Installing plugins | ||
| nav_order: 20 | ||
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| --- | ||
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| # Phone number analysis plugin | ||
| Introduced 2.18 | ||
| {: .label .label-purple } | ||
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| The `analysis-phonenumber` plugin provides analysers and tokenizers for phone numbers. | ||
| A dedicated analyser is required since parsing phone numbers is a non-trivial task (even though it might seem trivial at | ||
| first glance!), as can be seen in the list [falsehoods programmers believe about phone numbers](https:/google/libphonenumber/blob/master/FALSEHOODS.md). | ||
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| ## Installing the plugin | ||
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| Install the `analysis-phonenumber` plugin using the following command: | ||
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| ```sh | ||
| ./bin/opensearch-plugin install analysis-phonenumber | ||
| ``` | ||
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| ## Provided analyzers & tokenizers | ||
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| There are two analyzers & tokenizers being provided: | ||
| * `phone`: use this as the [index analyzer]({{site.url}}{{site.baseurl}}/analyzers/index-analyzers/) | ||
| * `phone-search`: use this as the [search analyzer]({{site.url}}{{site.baseurl}}/analyzers/search-analyzers/) | ||
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| You can optionally specify a default region which it should use when parsing phone numbers. When tokenizing phone numbers | ||
| with the international calling prefix `+` this is not relevant, but for phone numbers which either use a national prefix | ||
| for international numbers (e.g. `001` instead of `+1` to dial Northern America from most European countries) the region | ||
| needs to be known. Furthermore you can also properly index local phone numbers with no international prefix if you specify | ||
| the region. | ||
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| Internally this uses [libphonenumber](https:/google/libphonenumber), thus their parsing rules apply. | ||
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| Note that these analyzers are not meant to find phone numbers in larger texts, instead you should use them on fields which | ||
| contain the phone number. | ||
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| ## Example | ||
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| Example configuration of an index with one field which ingests phone numbers for Switzerland: | ||
| ```json | ||
| PUT /example-phone | ||
| { | ||
| "settings": { | ||
| "analysis": { | ||
| "analyzer": { | ||
| "phone-ch": { | ||
| "type": "phone", | ||
| "phone-region": "CH" | ||
| }, | ||
| "phone-search-ch": { | ||
| "type": "phone-search", | ||
| "phone-region": "CH" | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| "mappings": { | ||
| "properties": { | ||
| "phoneNumber": { | ||
| "type": "text", | ||
| "analyzer": "phone-ch", | ||
| "search_analyzer": "phone-search-ch" | ||
| } | ||
| } | ||
| } | ||
| } | ||
| ``` |
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