Re: order of (escaped) characters in regex range - Mailing list pgsql-general

From Merlin Moncure
Subject Re: order of (escaped) characters in regex range
Date
Msg-id CAHyXU0x-ku0L3L0mywjOmxddutubtzfdb1D+8KSzGwuVhnrp0w@mail.gmail.com
Whole thread Raw
In response to Re: order of (escaped) characters in regex range  (InterRob <rob.marjot@gmail.com>)
Responses Re: order of (escaped) characters in regex range
List pgsql-general
On Tue, Dec 13, 2011 at 7:51 AM, InterRob <rob.marjot@gmail.com> wrote:
> Thanks guys, i see what you mean.
>
> I do intend to use the PG escaping, in order to avoid that annoying
> warning... Hence, my expression should indeed be:
> SELECT regexp_matches('123-A' , E'(3[A-Z\\-\\(\\) ])');
>
> In the above expression i added the parentheses as I whish to match these as
> well :))

I advise dollar quoting when writing complicated regular expressions:

E'(3[A-Z\\-\\(\\) ])'
becomes
$$(3[A-Z\-\(\) ])$$

merlin

pgsql-general by date:

Previous
From: "Sogard, Michael (DPS)"
Date:
Subject: Re: Having Issue Getting the Postgresql Service to Start
Next
From: "David Johnston"
Date:
Subject: Re: order of (escaped) characters in regex range