G'day Jasen

16 Sep 04 08:12, Jasen Betts wrote to David Drummond:

 DD>> Can anyone suggest a simple one line that determines if a variable
 DD>> contains alpha/numeric data, or a straight numeric value?

 JB> some sort of regex ?

 JB> first you need to define "straight numeric"

a byte value (unsigned short int?) ... 0:255.

 JB> does 2.2 qualify ?  how about is 1e5 ? 0xdeadbeef ? 0800 ? 3-1/2 ?

nope.

I've been offered a regex - but couldn't get it to work. I cobbled up something else.

Regards,
David

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