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Re: st: only keep obs of determinate string length


From   Steve Nakoneshny <scnakone@ucalgary.ca>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: only keep obs of determinate string length
Date   Wed, 30 Jan 2013 11:02:00 -0700

A perfect (and speedy!) solution! Thanks Rich and Nick.

On 2013-01-30, at 10:56 AM, Nick Cox wrote:

> Typo time
> 
> keep if inrange(length(varname),11,12)
> 
> Nick
> 
> On Wed, Jan 30, 2013 at 5:51 PM, Richard Goldstein
> <richgold@ix.netcom.com> wrote:
> 
>> try this
>> 
>> keep if inrange(length(varname,11,12))
> 
> On 1/30/13 12:47 PM, Steve Nakoneshny wrote:
> 
>>> I have a unique string id var. Values in this var vary from 8-16 characters in length.
>> I only want to keep obs where the length of the id string is either 11
>> or 12 characters
>> long. I know I can solve this in a more cumbersome manner using the
>> -regex- machinery,
>> but I was hoping for a more succinct solution using string functions.
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