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Merged
DerekStride merged 2 commits into from
Feb 17, 2026
Merged

feat: add support for rlike and regexp #357

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ba3ac95
feat: add support for rlike and regexp
jeffbrennan Feb 16, 2026
f400589
fix test failure
jeffbrennan Feb 16, 2026
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2 changes: 2 additions & 0 deletions grammar/expressions.js
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Original file line number Diff line number Diff line change
Expand Up @@ -262,6 +262,8 @@ export default {
[$.is_not, 'binary_is'],
[$.keyword_like, 'pattern_matching'],
[$.not_like, 'pattern_matching'],
[$.keyword_rlike, 'pattern_matching'],
[$.not_rlike, 'pattern_matching'],
[$.similar_to, 'pattern_matching'],
[$.not_similar_to, 'pattern_matching'],
// binary_is precedence disambiguates `(is not distinct from)` from an
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2 changes: 2 additions & 0 deletions grammar/keywords.js
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Expand Up @@ -177,6 +177,7 @@ export default {
keyword_gin: _ => make_keyword("gin"),
keyword_brin: _ => make_keyword("brin"),
keyword_like: _ => choice(make_keyword("like"),make_keyword("ilike")),
keyword_rlike: _ => choice(make_keyword("rlike"),make_keyword("regexp")),
keyword_similar: _ => make_keyword("similar"),
keyword_unsigned: _ => make_keyword("unsigned"),
keyword_zerofill: _ => make_keyword("zerofill"),
Expand Down Expand Up @@ -325,6 +326,7 @@ export default {
// Operators
is_not: $ => prec.left(seq($.keyword_is, $.keyword_not)),
not_like: $ => seq($.keyword_not, $.keyword_like),
not_rlike: $ => seq($.keyword_not, $.keyword_rlike),
similar_to: $ => seq($.keyword_similar, $.keyword_to),
not_similar_to: $ => seq($.keyword_not, $.keyword_similar, $.keyword_to),
distinct_from: $ => seq($.keyword_is, $.keyword_distinct, $.keyword_from),
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1 change: 1 addition & 0 deletions queries/highlights.scm
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Expand Up @@ -183,6 +183,7 @@
(keyword_transaction)
(keyword_only)
(keyword_like)
(keyword_rlike)
(keyword_similar)
(keyword_over)
(keyword_change)
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60 changes: 60 additions & 0 deletions test/corpus/expressions.txt
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Expand Up @@ -571,6 +571,66 @@ WHERE
(keyword_to))
right: (literal)))))))

================================================================================
Where with RLIKE pattern matching
================================================================================

SELECT
*
FROM
a
WHERE
a RLIKE '^pattern'
AND a NOT RLIKE '^pattern'
AND a rlike '^pattern'
AND a REGEXP '^pattern';


--------------------------------------------------------------------------------

(program
(statement
(select
(keyword_select)
(select_expression
(term
value: (all_fields))))
(from
(keyword_from)
(relation
(object_reference
name: (identifier)))
(where
(keyword_where)
predicate: (binary_expression
left: (binary_expression
left: (binary_expression
left: (binary_expression
left: (field
name: (identifier))
operator: (keyword_rlike)
right: (literal))
operator: (keyword_and)
right: (binary_expression
left: (field
name: (identifier))
operator: (not_rlike
(keyword_not)
(keyword_rlike))
right: (literal)))
operator: (keyword_and)
right: (binary_expression
left: (field
name: (identifier))
operator: (keyword_rlike)
right: (literal)))
operator: (keyword_and)
right: (binary_expression
left: (field
name: (identifier))
operator: (keyword_rlike)
right: (literal)))))))

================================================================================
NOT EQUAL <> OPERATOR
================================================================================
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