Index: wp-includes/formatting.php
===================================================================
--- wp-includes/formatting.php	(revision 14014)
+++ wp-includes/formatting.php	(working copy)
@@ -31,7 +31,7 @@
 	static $static_setup = false, $opening_quote, $closing_quote, $default_no_texturize_tags, $default_no_texturize_shortcodes, $static_characters, $static_replacements, $dynamic_characters, $dynamic_replacements;
 	$output = '';
 	$curl = '';
-	$textarr = preg_split('/(<.*>|\[.*\])/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
+	$textarr = preg_split('/(<.*>|\[.*+\])/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
 	$stop = count($textarr);
 
 	// No need to set up these variables more than once