This misses  0, A and a:

    a.#~2|i.&0"1 a./:@,"0 _'09AZaz'
123456789BCDEFGHIJKLMNOPQRSTUVWXYZbcdefghijklmnopqrstuvwxyz
   


This misses  9, Z and z:

   a.#~2|'09AZaz'i.&6@/:@,"#:a.
012345678ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxy
   
Linda


-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Zsbán Ambrus
Sent: Thursday, January 24, 2013 3:40 PM
To: [email protected]
Subject: Re: [Jprogramming] List all alphanumeric characters

On 1/24/13, Raul Miller <[email protected]> wrote:
>    16}.u:,32 65 97+/i.26

Nice!  Using (u:) is a shortcut I didn't think of.

Meanwhile, here are some abbreviations of one of my original solutions using
the ugly ("{) feature.

   a.#~2|'09AZaz'i.&6@/:@,"#:a.

   a.#~2|a.i.&0@/:@,"{'09AZaz'

Ambrus
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