Emi Lu wrote:
> Good morning,
>
> Is there a simply method in psql to format a string?
>
> For example, adding a space to every three consecutive letters:
>
> abcdefgh -> *** *** ***
Depending on how you want 'extras' handled, you could work from
something like this:
select trim(regexp_replace('123456', '...', '\& ', 'g'));
If you don't care about trailing space remove the 'trim()'.
The replacement string may need to be escaped differently depending
on your PG version and setting for standard_conforming_strings. For
example: E'\\& '
HTH
Bosco.
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