From af7f0d6b8103dbfa46b8d159be9c70e8db51e810 Mon Sep 17 00:00:00 2001
From: Camil Staps
Date: Sat, 4 Jul 2015 19:53:55 +0200
Subject: Fix show for expressions (parentheses); allow parentheses in input

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

(limited to 'request.php')

diff --git a/request.php b/request.php
index 2866ada..9dfb4bc 100644
--- a/request.php
+++ b/request.php
@@ -36,7 +36,7 @@ if ($expressions == [])
     die('Not enough expressions requested');
 
 foreach ($expressions as $k => $e)
-    if (preg_match('/[^a-zA-Z\|\&~\-><01 ]/', $e))
+    if (preg_match('/[^a-zA-Z\|\&~\-><01 \(\)]/', $e))
         die('Forbidden character in expression ' . $e);
 
 $expressions = array_map('escapeshellarg', $expressions);
-- 
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