Date: Thu, 17 Mar 2005 14:30:58 -0500
Reply-To: "Chang Y. Chung" <chang_y_chung@HOTMAIL.COM>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: "Chang Y. Chung" <chang_y_chung@HOTMAIL.COM>
Subject: Re: What is the regular expression for SAS format name?
On Thu, 17 Mar 2005 11:13:33 -0800, Lei Zhang <lzhang9830@YAHOO.COM> wrote:
>Hi Richard and Gary,
> Thanks a lot for your kind message. It helps me a lot! What I
>want to do is to parse
>a SAS format statement separated by a SAS format. For example,
> "a b c 2.8 e f g $fmt. u v w $abc12.1 a b c A1224.123
> will be parsed into
> a b c due to 2.8
> e f g due to $fmt.
> u v w due to $abc12.1
> a b c A1234.123 due to $char8.2
>I came up with a RE as follow
>as the separator of a Format-like string, but it does not always work
>at all kinds of situations.
>Your advice will be very much appreciated. Thanks
As long as your values can be a number with a decimal point, I don't think
this is possible. This is simply because there is no way of telling if the
following is a numeric format or a value:
Whoever requested making the "F" in front of the default numeric format
optional, did not think about it careful enough. I think this is one of the
reasons why we cannot do something like:
instead we have to do:
a = 3.2;
Simply because sas does not know what "2.3" is. Similarly the enhanced
editor is having hard time to syntax color it.