Re: Use of regular expression

[Alan Campin <alan0307d@xxxxxxxxx>]

What about using SQL?

On Fri, Jul 16, 2010 at 3:06 PM, <Rick.Chevalier@xxxxxxxxxxxxxxx> wrote:

> I'm wondering if using regular expressions is a good way to handle a word
> search.  What I need is an exact match of a series of characters, say
> 'rick', in a character field.  I have only used regular expressions a couple
> of times and the syntax still gets me confused.  I think I see a way to do
> this with with something like r{1}i{1}c{1}k{1}.
>
> I know I can do this with the %SCAN op code.  The reason I'm thinking about
> using regular expressions is the search will be over a table of close to 1
> billion records and I'm looking for efficiencies any place I can find them.
>  If an expression can be created I want to do some comparisons between using
> a regular expression and %SCAN to see which is really the best performer.
>
> Any thought would be appreciated.
>
> Rick Chevalier
> IT Software Solutions - Loan Servicing
>
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