This works for me: 
perl -E '(my $mu="μ")=~tr/\x{B5}\x{BC}\x{ce}/uu/d; say unpack "H*
+",$mu;say $mu'
75
u

[download]
Note: the code tags seem to mangle my initialization of $mu to"μ".
I added deletion of 0XCE - perhaps a Unicode-enlightened monk can explain how that stays behind.

                "These opinions are my own, though for a small fee they be yours too."

In reply to Re: Substituting unicode character leaves special block by NetWallah
in thread Substituting unicode character leaves special block by Anonymous Monk

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