| From: | Jeff Eckermann <jeff_eckermann(at)yahoo(dot)com> |
|---|---|
| To: | Patrick Nelson <pnelson(at)neatech(dot)com>, "PostgreSQL List (E-mail)" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: RE in WHERE |
| Date: | 2002-10-10 19:30:58 |
| Message-ID: | 20021010193058.15843.qmail@web20808.mail.yahoo.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
--- Patrick Nelson <pnelson(at)neatech(dot)com> wrote:
> SELECT * FROM secure WHERE ~ '^12\.';
>
> displays
>
> host
> -----------------
> 12.28.18.10
> 12.41.17.174
> 128.121.247.126
> ...
>
> Escaping the dot should only show the 12. entries
> right? What is the proper
> RE for this?
>
Your statement goes through two rounds of parsing,
with escape characters being stripped off each time,
so your literal '.' is being interpreted as a
metacharacter. Try doubling your backslash escape.
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