From 19f1bb9353506f9c25c8b803333606cd6568cfc3 Mon Sep 17 00:00:00 2001
From: Aidan Woods <aidantwoods@gmail.com>
Date: Fri, 9 Mar 2018 16:54:21 +0000
Subject: [PATCH] Disable backtracking where the regex doesn't need it

---
 Parsedown.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Parsedown.php b/Parsedown.php
index 685d6df..27a35bf 100644
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -1142,7 +1142,7 @@ class Parsedown
 
     protected function inlineEmailTag($Excerpt)
     {
-        $commonMarkEmail = '[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9]'
+        $commonMarkEmail = '[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]++@[a-zA-Z0-9]'
             .'(?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?'
             .'(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*'
         ;