From fd5656ba37e954e5e98499616b4bbc00801eaee9 Mon Sep 17 00:00:00 2001
From: Ray Papworth <raypapworth@gmail.com>
Date: Sat, 28 Dec 2024 09:36:20 +0000
Subject: [PATCH] add extra backslash character code

so it will get interpreted as a single backslash rather than the
code getting interpreted as a character.
---
 pinc/unicode.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pinc/unicode.inc b/pinc/unicode.inc
index 27dd6904d..a27d9ccf0 100644
--- a/pinc/unicode.inc
+++ b/pinc/unicode.inc
@@ -229,7 +229,7 @@ function get_unicode_regex_class($codepoint, $lang = 'php')
     if ($lang == "php") {
         return '\\x{' . $hex . '}';
     } elseif ($lang == "js") {
-        return '\\u{' . $hex . '}';
+        return '\\\\u{' . $hex . '}';
     } else {
         throw new Exception("invalid lang provided: $lang");
     }