| From: | chester c young <chestercyoung(at)yahoo(dot)com> |
|---|---|
| To: | Paul Lambert <paul(dot)lambert(at)autoledgers(dot)com(dot)au> |
| Cc: | sql pgsql <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Re: Extracting hostname from URI column |
| Date: | 2007-09-12 03:47:01 |
| Message-ID: | 139773.62590.qm@web54303.mail.re2.yahoo.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-sql |
> >> I'm trying to use substr() and position() functions to extract the
> >> full host name (and later a domain) from a column that holds URLs.
> >
> > substring( href from '.*://\([^/]*)' );
> >
typo: no backslash in front of left paren
substring( href from '.*://([^/]*)' )
match up thru //
within parens, match anything except /
return match within parens
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