If you enclose the assignment in parens, and then do the substitution after the parens, you should get exactly what you want: 

 perl -le 'use strict; 
           my $str1 = "test"; 
          ( my $str2 = $str1 ) =~ s/t/m/g; 
          print $str2'

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In reply to Re: Assign & substitute in one statement? by kesterkester
in thread Assign & substitute in one statement? by cormanaz

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