There isn't a built in way but you can try http://www.mysqludf.org/lib_mysqludf_preg/
I would go with the php/perl script if this is a one time thing.
On Jan 21, 2011, at 11:31 AM, Phil <pchapman@stripped> wrote:
> I have a table which contains a username column which may be constructed
> something like
> somename[AAAAA] or [BBBBCCCCDDD]someothername
> The AAAAA or BBBBCCCCDDD can be anything at all.
> I've added a new column to the table to which I'd like to populate with the
> value within the square brackets.
> I could write something in perl or php to run through each and update them
> but was wondering if there is a way to do this within mysql itself? The
> regexp only returns a boolean so I can't see how to use that.
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