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  1. or download this
    my @arr1;
    foreach my $val (@arr) {
        $val =~ s/TEXT//gx;
        push @arr1, $val; 
    }
    
  2. or download this
    >perl -wMstrict -le
    "my @source = qw(TEXT1 TEXT11 TEXT13 TEXT2 TEXT3);
    ...
     print qq{@source};
    "
    1 11 13 2 3