How about this? 
$line =~ s/39/3$fields[0]/;
$line =~ s/39/3$fields[1]/;
$line =~ s/39/3$fields[2]/;
$line =~ s/39/3$fields[3]/;

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Update: This answer is getting voted down a lot. Maybe I am blind today, but could someone point out what is wrong with it?

In reply to Re: Including special characters in a search and replace by Thilosophy
in thread Including special characters in a search and replace by wudaben

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