[more regex fun
Evan Prodromou <evan@prodromou.name>**20080529182725] {
hunk ./lib/util.php 357
-	$r = preg_replace('/(^|\s)@([\w-]+)($|\s)/e', "'\\1@'.common_at_link($id, '\\2').'\\3'", $r);
-#	$r = preg_replace('<'.URL_REGEX.'<', '<a href="\\0" class="extlink">\\0</a>', $r);
+	$r = preg_replace('/(^|\b)@([\w-]+)($|\b)/e', "'\\1@'.common_at_link($id, '\\2').'\\3'", $r);
+	$r = preg_replace('(^|\b)(https?|ftp)://[-A-Z0-9+&@#/%?=~_|!:,.;]*[-A-Z0-9+&@#/%=~_|]', '<a href="\0" class="extlink">\0</a>', $r);
}