From 0f356acee849ff9f6ae03f06511f02eccbd104ca Mon Sep 17 00:00:00 2001
From: Andreas <andreas@bocops.de>
Date: Thu, 17 Nov 2022 20:34:23 +0100
Subject: [PATCH] restrict html tags after which to detect a hashtag

Hashtags should not be detected after just any html tag - for example not after an opening a or div. To still allow detection at the start of a line, allow specifically p and br to directly precede a hashtag.
---
 activitypub.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/activitypub.php b/activitypub.php
index ae9f115..c9bca18 100644
--- a/activitypub.php
+++ b/activitypub.php
@@ -19,7 +19,7 @@ namespace Activitypub;
  * Initialize plugin
  */
 function init() {
-	\defined( 'ACTIVITYPUB_HASHTAGS_REGEXP' ) || \define( 'ACTIVITYPUB_HASHTAGS_REGEXP', '(?:(?<=[\s>])|^)#([A-Za-z0-9_]+)(?:(?=\s|[[:punct:]]))' );
+	\defined( 'ACTIVITYPUB_HASHTAGS_REGEXP' ) || \define( 'ACTIVITYPUB_HASHTAGS_REGEXP', '(?:(?<=\s)|(?<=<p>)|(?<=<br>)|^)#([A-Za-z0-9_]+)(?:(?=\s|[[:punct:]]|$))' );
 	\defined( 'ACTIVITYPUB_ALLOWED_HTML' ) || \define( 'ACTIVITYPUB_ALLOWED_HTML', '<strong><a><p><ul><ol><li><code><blockquote><pre><img>' );
 	\defined( 'ACTIVITYPUB_CUSTOM_POST_CONTENT' ) || \define( 'ACTIVITYPUB_CUSTOM_POST_CONTENT', "<p><strong>%title%</strong></p>\n\n%content%\n\n<p>%hashtags%</p>\n\n<p>%shortlink%</p>" );
 	\defined( 'ACTIVITYPUB_PLUGIN' ) || \define( 'ACTIVITYPUB_PLUGIN', __FILE__ );