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From:Johan De Meersman Date:January 24 2011 11:29am
Subject:Re: Is is possible to update a column based on a REGEXP on another column?
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If the bracketed stuff really can be anything, you're better off doing it
externally, I guess. If you can be reasonably sure that there'll not be any
square brackets in there, you can fluff about with instr() and substr().


On Sat, Jan 22, 2011 at 6:18 PM, Eric Bergen <eric.bergen@stripped> wrote:

> 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.
>
> -Eric
>
> 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.
> >
> > Regards
> >
> > Phil
> >
> >
> > --
> > Distributed Computing stats
> > http://stats.free-dc.org
>
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Thread
Is is possible to update a column based on a REGEXP on another column?Phil21 Jan
  • Re: Is is possible to update a column based on a REGEXP on another column?Eric Bergen22 Jan
    • Re: Is is possible to update a column based on a REGEXP on another column?Johan De Meersman24 Jan