I have a text string = "^0176  ^0176"

I have set $a = "^0176  ^0176";
I have set $b = "^0176  ";

I'm using text =~ s/$a/$b/g;

And the text string doesn't change.  I expected it to come out as "^0176  " 
after the substitution.  What is wrong with my logic?

Bruce Bowen
401-568-8315

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