>Yes, I check for whether the user is doing a seek using numbers or letters first. That's the reason for the opening IF statement to check for numbers. If numbers, then I have to insert leading zeroes before I do a seek. If letters, then I just do a seek straight away. No prep necessary. I'll study what you wrote and see if that can work for me. Thanks for the good information.

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Steve,
"using numbers or letters first". Then you might want to change the expression to :
if isdigit(valu)
which checks if the first is a digit or not. It wouldn't then fail with ie: "38" :)
Cetin