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Filename replacement of letters not numbers?

Posted: Thu Apr 12, 2007 3:07 am
by mofoknows
I have tried using various F/R regular expressions for removing all text characters and leaving only numbers in a filename with little or inconsistent success.

Removing one character is simple with [a-z] or \D and I even tried \D{n} and that did remove some. But, I am missing the idea of how this should work and knowing so would give me a much better understanding of this application.

can someone share a working string to remove letters but not numbers from a filename?