From c92d7120334bdcf90347860d755f011d56979239 Mon Sep 17 00:00:00 2001
From: tienidurodad <rick.nelson@att.net>
Date: Fri, 14 Jun 2019 12:18:40 -0700
Subject: [PATCH] Update regextester.php

Fix undefined variable error
---
 nginx-regex-tester/regextester/regextester.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nginx-regex-tester/regextester/regextester.php b/nginx-regex-tester/regextester/regextester.php
index 796e99fe..0d7fd42b 100644
--- a/nginx-regex-tester/regextester/regextester.php
+++ b/nginx-regex-tester/regextester/regextester.php
@@ -94,7 +94,9 @@
         $errMsg = 'A regular expression must be entered. ';
     }
     $valueToTest = trim($_POST['frmValueToTest']);
-    $caseSensitive = $_POST['frmCaseSensitive'];
+    if (isset($_POST['frmCaseSensitive'])) {
+        $caseSensitive = 1;
+    }
     if ($caseSensitive) {
         $cbChecked = "checked";
     }