From c750cbbf5f9f5f8d4b83a0876fe70381bbdbcb56 Mon Sep 17 00:00:00 2001
From: Matt Mullenweg <matt@git.wordpress.org>
Date: Sun, 16 Dec 2007 21:44:48 +0000
Subject: [PATCH] Allow numbers in content type to allow for types like 3gp.
 Fixes #5449. Hat tip: meledin, DD32.

git-svn-id: https://develop.svn.wordpress.org/trunk@6393 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-app.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-app.php b/wp-app.php
index b47ee21da5..2791ee7263 100644
--- a/wp-app.php
+++ b/wp-app.php
@@ -403,7 +403,7 @@ EOD;
 			$slug = sanitize_file_name( $_SERVER['HTTP_TITLE'] );
 		elseif ( empty( $slug ) ) // just make a random name
 			$slug = substr( md5( uniqid( microtime() ) ), 0, 7);
-		$ext = preg_replace( '|.*/([a-z]+)|', '$1', $_SERVER['CONTENT_TYPE'] );
+		$ext = preg_replace( '|.*/([a-z0-9]+)|', '$1', $_SERVER['CONTENT_TYPE'] );
 		$slug = "$slug.$ext";
 		$file = wp_upload_bits( $slug, NULL, $bits);