Re: Replacing Ordinal Suffixes - Mailing list pgsql-general

From George Weaver
Subject Re: Replacing Ordinal Suffixes
Date
Msg-id 9EC880207C994495BAEBBADBA769E796@D420
Whole thread Raw
In response to Replacing Ordinal Suffixes  ("George Weaver" <gweaver@shaw.ca>)
Responses Re: Replacing Ordinal Suffixes  (Steve Atkins <steve@blighty.com>)
List pgsql-general
From: Steve Atkins

On Feb 28, 2014, at 2:04 PM, George Weaver <gweaver@shaw.ca> wrote:

> Hi list,
>
> I'm stumped.
>
> I am trying to use Regexp_Replace to replace ordinal suffixes in addresses
> (eg have '126th' want '126') for comparison purposes.  So far no luck.
>
> I have found that
>
> SELECT REGEXP_REPLACE(LOWER('300 North 126th Street'),
> '(?!/D)(st|nd|rd|th)', '', 'g');
>   regexp_replace
> ------------------
>  300 nor 126 reet
>
> but
>
> SELECT REGEXP_REPLACE(LOWER('300 North 126th Street'),
> '(?=/D)(st|nd|rd|th)', '', 'g');
>      regexp_replace
> ------------------------
>  300 north 126th street
>
> I'm a novice with regular expressions and google hasn't helped much.
>
> Any suggestions?

>Maybe this?

>select regexp_replace('300 North 126th Street', '(\d+)(?:st|nd|rd|th)',
>'\1', 'gi');

Hi Steve,

Thanks, but no luck:

select regexp_replace('300 North 126th Street', E'(\d+)(?:st|nd|rd|th)',
E'\1', 'gi');
     regexp_replace
------------------------
 300 North 126th Street

George

Cheers,
  Steve




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