How to add characters at the beginning of a line in Notepad++, ignoring empty characters?

Question

Regular Expressions

How to add characters at the beginning of a line, ignoring empty lines?

Suddenly it will be useful - each line begins with ".

Answer 1

in replace mode with regular
expressions find ^\s*"replace with ваши_символы"

Answer 2

$result = $db->query("SELECT `meta_value` FROM `wp_postmeta`");
$row_array = $result->fetchAll();
print_r($row_array);

Answer 3

And what for direct requests in a DB? Why not make it a standard VI function?