From 63a1d1deb2b659f1d1c752801e89b71dde5f615d Mon Sep 17 00:00:00 2001
From: UndefinedOffset <echipman@webbuildersgroup.com>
Date: Mon, 19 Jul 2021 11:36:03 -0300
Subject: [PATCH] BUGFIX: Fixed issue causing the regex on windows to throw an
 error due to escaping of the parenthesis caused by DIRECTORY_SEPARATOR

---
 code/Model/Recipient/EmailRecipient.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/Model/Recipient/EmailRecipient.php b/code/Model/Recipient/EmailRecipient.php
index e8e37e1..6a056d8 100644
--- a/code/Model/Recipient/EmailRecipient.php
+++ b/code/Model/Recipient/EmailRecipient.php
@@ -542,7 +542,7 @@ class EmailRecipient extends DataObject
             $templatePath = substr($absoluteFilename, strlen($prefixToStrip) + 1);
 
             // Optionally remove "templates/" ("templates\" on Windows respectively) prefixes
-            if (preg_match('#(?<=templates' . DIRECTORY_SEPARATOR . ').*$#', $templatePath, $matches)) {
+            if (preg_match('#(?<=templates' . preg_quote(DIRECTORY_SEPARATOR, '#') . ').*$#', $templatePath, $matches)) {
                 $templatePath = $matches[0];
             }