diff --git a/app/validators.php b/app/validators.php
index 046eebd898..e8aef4ec60 100644
--- a/app/validators.php
+++ b/app/validators.php
@@ -2,5 +2,5 @@
 
 Validator::extend('alpha_space', function($attribute,$value,$parameters)
 {
-	return preg_match("/^[-+_,!. a-zA-Z0-9]+$/",$value);
+	return preg_match("/^[-+:?()_,!. a-zA-Z0-9]+$/",$value);
 });