#!/usr/bin/perl -w
use strict;

my $TEXT= do { local $/; <DATA> };
my $result;
if(  $TEXT =~ /(.*?abc)/g  ) {
    $result= $1;
    while(  $TEXT =~ /\G(\D+)([\d.\-]+)/g  ) {
        $result .= $1 . "GOVALUE";
    }
    $result .= substr( $TEXT, pos($TEXT) );
}
print $result;
__END__
                    abc(" 0.123511,  0.074997,  0.103143,  0.153955,  0.260586",\
                            " 0.068394,  0.082183,  0.110329,  0.161142,  0.267773",\
                            " 0.081887,  0.095677,  0.123822,  0.174635,  0.281266",\
                            " 0.111534,  0.125324,  0.153470,  0.204282,  0.310914",\
                            " 0.165731,  0.179521,  0.207666,  0.258479,  0.365110");