Regex.Replace...

Hello all,=20

I am trying to use Regex.Replace() to clean a string before working on
it.

The incoming string can be of the form " 5E1Y - UMCF - PZNG - RPR4 -
H4KF - 6ICJ - HQ " or "5E1Y:UMCF:PZNG" or ... and I need to replace any
ones and zeros with Is and Os and the strip it of everything that is not
A-Z or 2-7. "5EIYUMCFPZNGRPR4H4KF6ICJHQ"

So far I do the following:
...
cleankey =3D cleankey.Replace("1", "I").Replace("O", "0");           =20
cleankey =3D Regex.Replace(cleankey, @"-([A-Z2-7])*", "");
...

The data will come from multiple sources (database, files, user input)
so need to handle different encodings, the above code fails on the first
stample because the last '-'. =20

I don't understand regex that well and could do with a hand.

Thank you.

Regards,
Gary Harpin
=20
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