>What would be the best technique to validate a file name? I am also looking to see if someone has already done that.
>
>What I need to have is a function which will validate a string to see if this is a valid file name. The string can be something like c:\data\client1\reports\monthly.txt.
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>The first part is to validate for all non accepted character in the string.
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>The second part is to validate is the path is valid.
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>Any technique, advise or sample is appreciated.

What if you just FCREATE("c:\....") trapping the error which can happen if new fiel name is invalid. If it's Ok, you just FCLOSE() and DELETE FILE.