Can you show more small examples of what you are trying to replace?

Sure. Here's one case: 

 $in =~ tr/abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456
+789!@#$%^&*:?_+\-=|'";.,\/ /Tj\-Gns1Nmp8Qc3Y6L_v&^iyeDalX2RMHPr+w4%x!
+zWgf;0U.KZ\/oFVk@ dJtEb$'=*#IAB:,9S5"Oqh7|?uC/;

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In reply to Re^2: doing tr/// on-the-fly? by Anonymous Monk
in thread doing tr/// on-the-fly? by Anonymous Monk

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