Question

I’d like to match all “X joined your network” strings, X being any arbitrary string except when starting with “RE:”. So I’d like to exclude “RE: X joined your network” type of strings.

I tried

^[^R][^E][^.:.].+ joined your network$

and

^[^.RE:.].+ joined your network$

and

^[^(RE\\:)].+ joined your network$

but none of these seem to be correct (using MySQL 5.1 with latin1 charset). What is the correct expression for this?

Answer 1

You need

SELECT * FROM table WHERE 
    table.field NOT LIKE "RE:%" AND table.field LIKE "%joined your network"

MySQL is not case sensitive so you’ll catch RE: Re: and re: