On Tue, Jun 10, 2008 at 01:28:06PM +0200, Leif B. Kristensen wrote:
> I want to transform the text '[p=1242|John Smith]' to
> <a href="./family.php?person=1242">John Smith</a>, but what I get is:
>
> pgslekt=> select REGEXP_REPLACE('[p=1242|John Smith]',
> pgslekt(> E'[p=(\d+)|(.+?)]',
> pgslekt(> E'<a href="./family.php?person=\\1">\\2</a>');
> regexp_replace
> ------------------------------------------------------
> [<a href="./family.php?person="></a>=1242|John Smith]
> (1 row)
>
> What am I doing wrong?
Parts of the regular expression need more escaping. Try this:
select regexp_replace(
'[p=1242|John Smith]',
e'\\[p=(\\d+)\\|(.+?)\\]',
e'<a href="./family.php?person=\\1">\\2</a>'
);
regexp_replace
---------------------------------------------------
<a href="./family.php?person=1242">John Smith</a>
Caution: this method doesn't do HTML entity escaping so if your
input isn't trustworthy then you could end up with HTML that's
different from what you intended.
--
Michael Fuhr
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