Re: Regexp_replace question / help needed

Christopher Molnar <cmolnar(at)ourworldservices(dot)com> writes:

> Hello,
>
> I am running into a problem and need some pointers on regexp_replace - I can't seem to find an answer in any of the online resources.
>
> I have a string (like 40,000 with different length and number of components) of them in a field named "externalurl". I need to replace the final "/" of the string with
> "&file=" while preserving the filename and extension following the "/".
>
> The closest I can get is:
>
> regexp_replace('http://test.com/test/testfile.php','/[^/]*$','&file=') 
>
> however this looses the file name and returns:
>
> http://test.com/test&file=
>
> What I am looking for is:
>
> http://test.com/test&file=testfile.php
>
> as a result.
>
> Would anyone here point me in the right direction?

> select regexp_replace('http://foo/wow/blah/zzz.php', '/([^/]*)$', '&file=\1');
regexp_replace
----------------------------------
http://foo/wow/blah&file=zzz.php
(1 row)

>
> Thanks!
> -Chris
>

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