From b4ea666d9fbaad325277af11570e18cca4d585a1 Mon Sep 17 00:00:00 2001
From: Takashi Kajinami <kajinamit@oss.nttdata.com>
Date: Sun, 21 Jan 2024 15:56:23 +0900
Subject: [PATCH] Replace deprecated perl-style regex

... according to the following warning posted by zuul

```
All regular expressions must conform to RE2 syntax, but an expression
using the deprecated Perl-style syntax has been detected. Adjust
the configuration to conform to RE2 syntax.
```

Change-Id: I770244a37b2b8e05d38f892aa5519784547defd2
---
 .zuul.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.zuul.yaml b/.zuul.yaml
index dd33cc5..def642a 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -29,7 +29,9 @@
       - openstack/python-zaqarclient
       - openstack/python-zunclient
       - openstack/requirements
-    branches: ^(?!stable)
+    branches:
+      regex: ^stable/.*$
+      negate: true
 
 - project-template:
     name: openstackclient-plugin-jobs