Determine search fields dynamically based on user input - native Elastic solution?

Elastic Stack Elasticsearch
1

Hello,

let's assume my index looks like the following:

"mappings" : {
  "properties" : {
	"id" : {
	  "type" : "text"
	},
	"mail" : {
	  "type" : "text"
	},
	"fullName" : {
	  "type" : "text"
	},
	"dateOfBirth" : {
	  "type" : "text"
	}
  }
}

Now, I would like to search in certain fields only, if the search string (from user input) matches a certain (regex) pattern, i.e.:

  • A[0-9]{5}: search only in field "id"
  • /@/: search only in field "mail"
  • [a-zA-Z]+\s[a-zA-Z]+: search only in field "fullName"
  • (0?[1-9]|[12][0-9]|3[01]).(0?[1-9]|[1][0-2]).[0-9]{4}: search only in field "dateOfBirth"
  • if nothing matches: search in all fields

Of course, I could do that programmatically by pattern matching before sending the query to Elastic, but I'd like to know whether there's a built-in functionality of Elastic that I'm missing out here.

Any advice is appreciated!

2

There is nothing like that in Elasticsearch, so you will need to do it when creating the query.

3

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