From ee73ed98fbcbb5823b2e624a668d794ff6630a80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonatan=20K=C5=82osko?= <jonatanklosko@gmail.com>
Date: Wed, 19 Feb 2025 03:25:56 +0900
Subject: [PATCH 1/2] Fix code highlighting for languages with non-alphanumeric
 characters

---
 lib/ex_doc/doc_ast.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ex_doc/doc_ast.ex b/lib/ex_doc/doc_ast.ex
index cb20a602b..ac4379a8c 100644
--- a/lib/ex_doc/doc_ast.ex
+++ b/lib/ex_doc/doc_ast.ex
@@ -165,7 +165,7 @@ defmodule ExDoc.DocAST do
 
     ## Html cannot be parsed with regex, but we try our best...
     Regex.replace(
-      ~r/<pre(\s[^>]*)?><code(?:\s+class="(\w*)")?>([^<]*)<\/code><\/pre>/,
+      ~r/<pre(\s[^>]*)?><code(?:\s+class="([^"]*)")?>([^<]*)<\/code><\/pre>/,
       html,
       &highlight_code_block(&1, &2, &3, &4, highlight_info, opts)
     )

From dd21d2f0ace4e76b8cf44dbc565a096ccd3b001a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@gmail.com>
Date: Tue, 18 Feb 2025 20:06:53 +0100
Subject: [PATCH 2/2] Update lib/ex_doc/doc_ast.ex

---
 lib/ex_doc/doc_ast.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ex_doc/doc_ast.ex b/lib/ex_doc/doc_ast.ex
index ac4379a8c..766b7b222 100644
--- a/lib/ex_doc/doc_ast.ex
+++ b/lib/ex_doc/doc_ast.ex
@@ -165,7 +165,7 @@ defmodule ExDoc.DocAST do
 
     ## Html cannot be parsed with regex, but we try our best...
     Regex.replace(
-      ~r/<pre(\s[^>]*)?><code(?:\s+class="([^"]*)")?>([^<]*)<\/code><\/pre>/,
+      ~r/<pre(\s[^>]*)?><code(?:\s+class="([^"\s]*)")?>([^<]*)<\/code><\/pre>/,
       html,
       &highlight_code_block(&1, &2, &3, &4, highlight_info, opts)
     )