=MID(A20,6,3)

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HTH

Bob

"Flu" wrote in message
...
I have a long list of data which is alphanumeric. I would like to extract
the
string last 3 digits number out.
Is there a quick forumula to it?

e.g.
SK109028-AMP3 - data extract should be 028
504467993AK3 - data extracted should be 993
505747995 - data extracted should be 995