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RE: st: only keep obs of determinate string length


From   "kantor.d@att.net" <kantor.d@att.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: only keep obs of determinate string length
Date   Wed, 30 Jan 2013 09:51:52 -0800 (PST)

keep if length(id)==11 | length(id)==12

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---Original Message---
From: statalist@hsphsun2.harvard.edu
Sent: 1/30/2013 12:49 pm
To: statalist@hsphsun2.harvard.edu
Subject: st: only keep obs of determinate string length

Hello all,

I'm drawing a blank on what should be a ridiculously easy problem.

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. Unfortunately, I'm having a mental block with choosing the appropriate function. Suggestions would be appreciated.

Thanks,
Steve


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