From 94e233800cc6e39ad30607e3cf0ae1c41b75e9cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kristoffer=20Plagborg=20Bak=20S=C3=B8rensen?=
 <57013304+kpbaks@users.noreply.github.com>
Date: Mon, 20 Jul 2026 17:38:34 +0200
Subject: [PATCH] Inject regex into html input tag pattern attribute (#16063)

The value of the pattern attribute in <input> elements are
regular expressions. Documented here:
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Attributes/pattern
---
 runtime/queries/html/injections.scm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/runtime/queries/html/injections.scm b/runtime/queries/html/injections.scm
index ef58f415..2dce5cd1 100644
--- a/runtime/queries/html/injections.scm
+++ b/runtime/queries/html/injections.scm
@@ -8,3 +8,10 @@
 ((style_element
   (raw_text) @injection.content)
  (#set! injection.language "css"))
+
+; e.g. `<input pattern="[Bb]anana|[Cc]herry" />
+(attribute
+  (attribute_name) @_attr (#eq? @_attr "pattern")
+  (quoted_attribute_value
+    (attribute_value) @injection.content)
+  (#set! injection.language "regex"))
-- 
2.51.2