Noncapturing Groups

Noncapturing groups organize alternatives without creating extra capture values.

noncapturing_groups.pl

use strict;
use warnings;

my $word = ;
my $matched = $word =~ /^col(?:ou)?r$/;
my $status = $matched ? "spelling" : "other";

print "word=$word\n";
print "matched=$matched\n";
print "status=$status\n";

use strict;
use warnings;

my $word = ;
my $matched = $word =~ /^col(?:ou)?r$/;
my $status = $matched ? "spelling" : "other";

print "word=$word\n";
print "matched=$matched\n";
print "status=$status\n";

use strict;
use warnings;

my $word = ;
my $matched = $word =~ /^col(?:ou)?r$/;
my $status = $matched ? "spelling" : "other";

print "word=$word\n";
print "matched=$matched\n";
print "status=$status\n";

noncapturing-groups Use a noncapturing group when grouping controls the pattern but the grouped text is not a value the program needs later.