Query language specification
The text below represents the complete specification of the search query DSL (Domain Specific Language) used in text queries. See also Search operation table, Search flow.
query:
- regex-query
- non-regex-query
regex-query:
- ^pattern
non-regex-query:
- unary-query
- binary-query
unary-query:
- word
- word-pattern (since v.18.12)
- phrase-query
- field-name-query
- numeric-range-query
- date-range-query
- parenthesized-query
- not-query
phrase-query:
- phrase-item-list
phrase-item-list:
- phrase-item phrase-item
- phrase-item-list phrase-item
phrase-item:
- word
- word-pattern (since v.18.12)
- wildcard (since v.18.1)
word:
- any word without special characters
word-pattern (since v.18.12)
- any non-special characters
- ? (question marks)
- ?(n~m) (Wildcard groups, where n is byte-number, m is byte-number, and n <= m. For example: ?(1~2) )
wildcard: (since v.18.1)
- * byte-number
- * byte-number ~~ byte-number
byte-number: (since v.18.1)
- Any integer number in the range from 0 to 255
field-name-query:
- field-name: unary-query
numeric-range-query:
- number ~~ number
number:
- Any non-negative integer number
date-range-query:
- daterange( date ~~ date )
date:
- A date in the format ‘yyyy-MM-dd’. For example: 2019-09-16
parenthesized-query:
- ( non-regex-query )
not-query:
- ! unary-query
- NOT unary-query
binary-query:
- and-query
- or-query
and-query:
- non-regex-query & unary-query
- non-regex-query AND unary-query
or-query:
- non-regex-query | unary-query
- non-regex-query || unary-query
- non-regex-query OR unary-query
escape-sequence: (since v.19.2)
- \*N
*where N is one of
( ) : " & | ! ^ ~ * ? \
or
s (for space character) - \uhhhh
where h is hexadecimal digit (for any Unicode character)
More resources
GitHub examples
You may easily run the code from documentation articles and see the features in action in our GitHub examples:
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