benmoreassynt wrote:
>  Thank you very much.
>  
>  Could you give me a rough idea of what the MySQL query would look like?
>  
>  I am trying to work out the syntax using string functions like LOCATE,
>  INSTR, SUBSTRING and SUBSTRING_INDEX.

That's not going to be fast even with indexes :( Not sure what you can 
do about it though. You either need to do it in the database or php, so 
one of them will be a memory / cpu hog :/

-- 
Postgresql & php tutorials
http://www.designmagick.com/

-- 
PHP Database Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php