From 7432cf0c5a91c73b90a18a6fe333867c9e3b191a Mon Sep 17 00:00:00 2001
From: prql-bot <107324867+prql-bot@users.noreply.github.com>
Date: Wed, 1 Jul 2026 07:58:09 +0000
Subject: [PATCH] docs: add `~=` to operator precedence table
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The `~=` (regex search) operator is parsed at the same precedence as the
other comparison operators — it is part of `operator_compare()` in
prqlc-parser (expr.rs) alongside `==` `!=` `<=` `>=` `<` `>` — and has its
own "Regex expressions" section further down operators.md, but was missing
from the operator-precedence table.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 web/book/src/reference/syntax/operators.md | 28 +++++++++++-----------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/web/book/src/reference/syntax/operators.md b/web/book/src/reference/syntax/operators.md
index f8817e1a5479..35e1646f41c2 100644
--- a/web/book/src/reference/syntax/operators.md
+++ b/web/book/src/reference/syntax/operators.md
@@ -21,20 +21,20 @@ operations and for function calls (see the discussion below.)
 
 <!-- markdownlint-disable MD033 — the `|` characters need to be escaped, and surrounded with tags rather than backticks   -->
 
-|          Group | Operators                   | Precedence | Associativity |
-| -------------: | --------------------------- | :--------: | :-----------: |
-|    parentheses | `()`                        |     0      |   see below   |
-| identifier dot | `.`                         |     1      |               |
-|          unary | `-` `+` `!` `==`            |     2      |               |
-|          range | `..`                        |     3      |               |
-|            pow | `**`                        |     4      | right-to-left |
-|            mul | `*` `/` `//` `%`            |     5      | left-to-right |
-|            add | `+` `-`                     |     6      | left-to-right |
-|        compare | `==` `!=` `<=` `>=` `<` `>` |     7      | left-to-right |
-|       coalesce | `??`                        |     8      | left-to-right |
-|            and | `&&`                        |     9      | left-to-right |
-|             or | <code>\|\|</code>           |     10     | left-to-right |
-|  function call |                             |     11     |               |
+|          Group | Operators                        | Precedence | Associativity |
+| -------------: | -------------------------------- | :--------: | :-----------: |
+|    parentheses | `()`                             |     0      |   see below   |
+| identifier dot | `.`                              |     1      |               |
+|          unary | `-` `+` `!` `==`                 |     2      |               |
+|          range | `..`                             |     3      |               |
+|            pow | `**`                             |     4      | right-to-left |
+|            mul | `*` `/` `//` `%`                 |     5      | left-to-right |
+|            add | `+` `-`                          |     6      | left-to-right |
+|        compare | `==` `!=` `<=` `>=` `~=` `<` `>` |     7      | left-to-right |
+|       coalesce | `??`                             |     8      | left-to-right |
+|            and | `&&`                             |     9      | left-to-right |
+|             or | <code>\|\|</code>                |     10     | left-to-right |
+|  function call |                                  |     11     |               |
 
 ## Division and integer division