diff --git a/phpBB/includes/message_parser.php b/phpBB/includes/message_parser.php
index cc687b6fec..26532e84c0 100644
--- a/phpBB/includes/message_parser.php
+++ b/phpBB/includes/message_parser.php
@@ -110,19 +110,19 @@ class bbcode_firstpass extends bbcode
 		// order, so it is important to keep [code] in first position and
 		// [quote] in second position.
 		$this->bbcodes = array(
-			'code'			=> array('bbcode_id' => 8,	'regexp' => array('#\[code(?:=([a-z]+))?\](.+\[/code\])#ise' => "\$this->bbcode_code('\$1', '\$2')")),
+			'code'			=> array('bbcode_id' => 8,	'regexp' => array('#\[code(?:=([a-z]+))?\](.+\[/code\])#uise' => "\$this->bbcode_code('\$1', '\$2')")),
 			'quote'			=> array('bbcode_id' => 0,	'regexp' => array('#\[quote(?:="(.*?)")?\](.+)\[/quote\]#uise' => "\$this->bbcode_quote('\$0')")),
-			'attachment'	=> array('bbcode_id' => 12,	'regexp' => array('#\[attachment=([0-9]+)\](.*?)\[/attachment\]#ise' => "\$this->bbcode_attachment('\$1', '\$2')")),
+			'attachment'	=> array('bbcode_id' => 12,	'regexp' => array('#\[attachment=([0-9]+)\](.*?)\[/attachment\]#uise' => "\$this->bbcode_attachment('\$1', '\$2')")),
 			'b'				=> array('bbcode_id' => 1,	'regexp' => array('#\[b\](.*?)\[/b\]#uise' => "\$this->bbcode_strong('\$1')")),
 			'i'				=> array('bbcode_id' => 2,	'regexp' => array('#\[i\](.*?)\[/i\]#uise' => "\$this->bbcode_italic('\$1')")),
-			'url'			=> array('bbcode_id' => 3,	'regexp' => array('#\[url(=(.*))?\](.*)\[/url\]#iUe' => "\$this->validate_url('\$2', '\$3')")),
-			'img'			=> array('bbcode_id' => 4,	'regexp' => array('#\[img\](.*)\[/img\]#iUe' => "\$this->bbcode_img('\$1')")),
+			'url'			=> array('bbcode_id' => 3,	'regexp' => array('#\[url(=(.*))?\](.*)\[/url\]#uiUe' => "\$this->validate_url('\$2', '\$3')")),
+			'img'			=> array('bbcode_id' => 4,	'regexp' => array('#\[img\](.*)\[/img\]#uiUe' => "\$this->bbcode_img('\$1')")),
 			'size'			=> array('bbcode_id' => 5,	'regexp' => array('#\[size=([\-\+]?\d+)\](.*?)\[/size\]#uise' => "\$this->bbcode_size('\$1', '\$2')")),
 			'color'			=> array('bbcode_id' => 6,	'regexp' => array('!\[color=(#[0-9a-f]{3}|#[0-9a-f]{6}|[a-z\-]+)\](.*?)\[/color\]!uise' => "\$this->bbcode_color('\$1', '\$2')")),
 			'u'				=> array('bbcode_id' => 7,	'regexp' => array('#\[u\](.*?)\[/u\]#uise' => "\$this->bbcode_underline('\$1')")),
 			'list'			=> array('bbcode_id' => 9,	'regexp' => array('#\[list(?:=(?:[a-z0-9]|disc|circle|square))?].*\[/list]#uise' => "\$this->bbcode_parse_list('\$0')")),
-			'email'			=> array('bbcode_id' => 10,	'regexp' => array('#\[email=?(.*?)?\](.*?)\[/email\]#ise' => "\$this->validate_email('\$1', '\$2')")),
-			'flash'			=> array('bbcode_id' => 11,	'regexp' => array('#\[flash=([0-9]+),([0-9]+)\](.*?)\[/flash\]#ie' => "\$this->bbcode_flash('\$1', '\$2', '\$3')"))
+			'email'			=> array('bbcode_id' => 10,	'regexp' => array('#\[email=?(.*?)?\](.*?)\[/email\]#uise' => "\$this->validate_email('\$1', '\$2')")),
+			'flash'			=> array('bbcode_id' => 11,	'regexp' => array('#\[flash=([0-9]+),([0-9]+)\](.*?)\[/flash\]#uie' => "\$this->bbcode_flash('\$1', '\$2', '\$3')"))
 		);
 
 		// Zero the parsed items array