From 3302305cd4a499603784aa87a40f5170d62a4f26 Mon Sep 17 00:00:00 2001
From: Joas Schilling <nickvergessen@gmx.de>
Date: Sun, 13 Nov 2011 16:11:32 +0100
Subject: [ticket/9066] Move regex into get_preg_expression function and add
 tests

PHPBB3-9066
---
 phpBB/includes/functions.php | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'phpBB/includes')

diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index c2b099d48a..e477b0454e 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -3486,6 +3486,10 @@ function get_preg_expression($mode)
 			$inline = ($mode == 'relative_url') ? ')' : '';
 			return "(?:[a-z0-9\-._~!$&'($inline*+,;=:@|]+|%[\dA-F]{2})*(?:/(?:[a-z0-9\-._~!$&'($inline*+,;=:@|]+|%[\dA-F]{2})*)*(?:\?(?:[a-z0-9\-._~!$&'($inline*+,;=:@/?|]+|%[\dA-F]{2})*)?(?:\#(?:[a-z0-9\-._~!$&'($inline*+,;=:@/?|]+|%[\dA-F]{2})*)?";
 		break;
+
+		case 'table_prefix':
+			return '#^[a-zA-Z][a-zA-Z0-9_]*$#';
+		break;
 	}
 
 	return '';
-- 
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