Exception thrown as regular expression is not recognized

Hi all,
My code throws me an exception, telling me that there are no files matching my file pattern, but I have three files which should match the file pattern in my input folder: /home/rkuite/test/asnout/store/ . There are three files there: ASN00507.txt, ASN00512.txt and ASN00531.txt
My code looks like this:
[outputtostore jcaps code|http://www.risa-webdesign.nl/jcaps_code/jcd_outputtostore.TXT]
And the error I get is as follows:
[error message when I execute the code|http://www.risa-webdesign.nl/jcaps_code/error_message.TXT]
I have tried various options and things to resolve this but to no avail, so I'd like to ask your help: what is wrong with the code?
Thanks & Kind Regards,
Richard

The error message:
java.io.FileNotFoundException: Directory Name: /home/rkuite/test/asnout/store/ File name: ^ASN*--- End of nested exception.
Is telling you that no files exist that begin with AS followed by zero or more N's. I believe the following regular expression would work better:
^ASN[0-9]*\.txt$
This would match any file name that began with ASN and was followed by zero or more digits zero thru nine and then ended with the dot txt.
Regards,
AK~

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