Please ignore, my mistake in the translation to Pg regex !


On 12/12/06, Jon Asher <[EMAIL PROTECTED]> wrote:

In Postgres, it appears to be returning false positives:

select * from
(select '52'::varchar As val) d
where d.val ~ '-{0,1}\\d*\\.{0,1}\\d+\\^{0,1}\\d*\\.{0,1}\\d+'

returns a record.
In C++ only such values match:   45.2^3  or  -45.2^3  or  10^2.5


On 12/12/06, Tom Lane <[EMAIL PROTECTED]> wrote:
>
> "Jon Asher" <[EMAIL PROTECTED]> writes:
> > Anyone care to correct this regex for PostgreSQL?  It works in C++ but
>
> > Postgres have no love for it:
>
> > -{0,1}\d*\.{0,1}\d+\^{0,1}\d*\.{0,1}\d+
>
> It works fine in Postgres, AFAICT.  Maybe you forgot to double the
> backslashes in a string literal?  Otherwise, be more specific about
> your problem.
>
>                        regards, tom lane
>


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