From 115c65aa182c5de21fa13f7056bc7727ba64f892 Mon Sep 17 00:00:00 2001
From: Daniel Valenzuela <dsvalenzuela@uc.cl>
Date: Wed, 25 Oct 2023 20:16:44 -0300
Subject: [PATCH] fix: flags not at the start of the expression

related issue: https://github.com/openedx/edx-platform/issues/33585
---
 xmodule/modulestore/store_utilities.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xmodule/modulestore/store_utilities.py b/xmodule/modulestore/store_utilities.py
index ced5c9728ec0..e9710fbc92ce 100644
--- a/xmodule/modulestore/store_utilities.py
+++ b/xmodule/modulestore/store_utilities.py
@@ -17,11 +17,11 @@ def _prefix_only_url_replace_regex(pattern):
     Match urls in quotes pulling out the fields from pattern
     """
     return re.compile("""
-        (?x)                      # flags=re.VERBOSE
         (?P<quote>\\\\?['"])      # the opening quotes
         {}
         (?P=quote)                # the first matching closing quote
-        """.format(pattern))
+        """.format(pattern),
+        flags=re.VERBOSE)
 
 
 def rewrite_nonportable_content_links(source_course_id, dest_course_id, text):