However,

    'ab cd ef' f ;: 'abcd defg zabc'
0 0 0

is the desired result.

That is, none of the three strings 'abcd' 'defg' 'zabc' contains the 
string 'ab cd ef'

    ;:'abcd defg zabc'
+----+----+----+
|abcd|defg|zabc|
+----+----+----+


On 11/11/2011 1:36 PM, Raul Miller wrote:
> I think I would use
>     F=: +./@E."1 S:0
>
>     'ab' F 'abcd'
> 1
>     'ab' F ;:'abcd defg zabc'
> 1 0 1
>     'ab cd ef' F&;: 'abcd defg zabc'
> 1 0 0
>
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