use strict;
use warnings;

my $MODULE_NAME = 'MODULE C17 (N1, N2, N3, N6, N7, N22, N23)';

if (defined($MODULE_NAME) && ($MODULE_NAME =~ / ^ (.+) \s+ \( /x))  
{  
    my $module_name = $1;
    print "Module name = >$module_name<\n";  
}

##</code><code>##

18:49 >perl 1939_SoPW.pl
Module name = >MODULE C17<

18:49 >

##</code><code>##

if (defined($MODULE_NAME) && ($MODULE_NAME =~ / ^ (.+) \( /x))  
{  
    my $module_name =  $1;
       $module_name =~ s/ \s+ $ //x;
    print "Module name = >$module_name<\n";  
}