From 313db2ad683793c4dc9860107802fa79bae5dd88 Mon Sep 17 00:00:00 2001
From: 0xFEEDC0DE64 <daniel@brunner.ninja>
Date: Thu, 23 Sep 2021 21:10:21 +0200
Subject: [PATCH] fixed crash with invalid format in webserver settings

---
 main/webserver_settings.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main/webserver_settings.h b/main/webserver_settings.h
index 6cb4078..98e5da3 100644
--- a/main/webserver_settings.h
+++ b/main/webserver_settings.h
@@ -79,7 +79,7 @@ typename std::enable_if<
 , bool>::type
 showInputForSetting(std::string_view key, T value, std::string &body)
 {
-    body += fmt::format("<input type=\"text\" name=\"{}{}{}{}\" value=\"{}\" pattern=\"[0-9]{4}\" required />",
+    body += fmt::format("<input type=\"text\" name=\"{}\" value=\"{}{}{}{}\" pattern=\"[0-9]{{4}}\" required />",
                         esphttpdutils::htmlentities(key),
                         value[0],
                         value[1],