From 11d58c1e25dcbd484565797cdf6569dbb65b662d Mon Sep 17 00:00:00 2001
From: Adam Heins <mail@adamheins.com>
Date: Fri, 23 Feb 2024 11:17:47 -0500
Subject: [PATCH] Escape regexes using raw strings.

---
 xacro/__init__.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xacro/__init__.py b/xacro/__init__.py
index a16dc90..2aeb91e 100644
--- a/xacro/__init__.py
+++ b/xacro/__init__.py
@@ -555,8 +555,8 @@ def is_valid_name(name):
     return False
 
 
-default_value = '''\$\{.*?\}|\$\(.*?\)|(?:'.*?'|\".*?\"|[^\s'\"]+)+|'''
-re_macro_arg = re.compile(r'^\s*([^\s:=]+?)\s*:?=\s*(\^\|?)?(' + default_value + ')(?:\s+|$)(.*)')
+default_value = r'''\$\{.*?\}|\$\(.*?\)|(?:'.*?'|\".*?\"|[^\s'\"]+)+|'''
+re_macro_arg = re.compile(r'^\s*([^\s:=]+?)\s*:?=\s*(\^\|?)?(' + default_value + r')(?:\s+|$)(.*)')
 #                          space(   param )(   :=  )(  ^|  )(        default      )( space )(rest)