From aae957c47d3f63fdca0c543b9fcb66f8efa5e23f Mon Sep 17 00:00:00 2001
From: Neil Drumm <drumm@3064.no-reply.drupal.org>
Date: Thu, 12 Jul 2007 06:53:03 +0000
Subject: [PATCH] #134308 by dww. The DB API does not handle prefixes with '.'
 in them well; do not allow that at install time.

---
 install.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/install.php b/install.php
index c89b16d535e8..79ef2cf52928 100644
--- a/install.php
+++ b/install.php
@@ -316,8 +316,8 @@ function _install_settings_form_validate($db_prefix, $db_type, $db_user, $db_pas
   }
 
   // Verify the table prefix
-  if (!empty($db_prefix) && is_string($db_prefix) && !preg_match('/^[A-Za-z0-9_.]+$/', $db_prefix)) {
-    form_set_error('db_prefix', st('The database table prefix you have entered, %db_prefix, is invalid. The table prefix can only contain alphanumeric characters, underscores or dots.', array('%db_prefix' => $db_prefix)), 'error');
+  if (!empty($db_prefix) && is_string($db_prefix) && !preg_match('/^[A-Za-z0-9_]+$/', $db_prefix)) {
+    form_set_error('db_prefix', st('The database table prefix you have entered, %db_prefix, is invalid. The table prefix can only contain alphanumeric characters or underscores.', array('%db_prefix' => $db_prefix)), 'error');
   }
 
   if (!empty($db_port) && !is_numeric($db_port)) {