Hi,
it seems to do what you want (although I don't think $_.=<DOC>; is really what you want... (append to $_ ?) better using while(defined($_=<DOC>))

#!C:/Activeperl/bin/perl.exe
use strict;
use warnings;

my @final_array=qw/test1 test2 fred/;

   #open(DOC,'sample_testing');
   while(defined($_=<DATA>)){
       #$_.=<DOC>; <- why are you appening?
       
       foreach my $value (@final_array) {
           s/$value/pagingRAC/g; 
       }
       print $_;
   }

__DATA__
this is a test
this line contains test1 and test2
fred bassett is a dog but I can't spell his name.

[download]

Prints

this is a test
this line contains pagingRAC and pagingRAC
pagingRAC bassett is a dog but I can't spell his name.

[download]

HTH - mark

Edit by tye: Change PRE to CODE around not-short lines

In reply to Re: Substitute array value in regular expression by maa
in thread Substitute array value in regular expression by Anonymous Monk

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