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my goal was maintainability, if speed mattered, I'd move the declaration of the rules and rulesets out of the sub. redefining them each time is useless.

Good point, modified:

Rate choroba2 LanX2 choroba1 LanX1 haukex1 ori +g haukex2 choroba2 84800/s -- -8% -37% -38% -59% -68 +% -73% LanX2 91935/s 8% -- -32% -33% -56% -66 +% -71% choroba1 134606/s 59% 46% -- -2% -35% -50 +% -58% LanX1 136955/s 62% 49% 2% -- -34% -49 +% -57% haukex1 208522/s 146% 127% 55% 52% -- -22 +% -35% orig 267007/s 215% 190% 98% 95% 28% - +- -16% haukex2 318577/s 276% 247% 137% 133% 53% 19 +% --
#!/usr/bin/env perl use warnings; use strict; use Benchmark qw/cmpthese/; # x_stream3m, https://www.perlmonks.org/?node_id=11118334 sub orig { use feature 'switch'; no if $] >= 5.018, warnings => "experimental::smartmatch"; my $password = shift; my $lengthOfPassword = length $password; given ($lengthOfPassword) { when ($_ >= 8 && $_ <= 11) { if ($password =~ /[a-z]/ && $password =~ /[A-Z]/ && $password =~ /[0-9]/ && ($password =~ /[\x21-\x2F]/ || $password =~ /[\x3A-\x40]/ || $password =~ /[\x5B-\x60]/ || $password =~ /[\x7B-\x7E]/)) { return 1; } else { return 0; } } when ($_ >= 12 && $_ <= 15) { if ($password =~ /[a-z]/ && $password =~ /[A-Z]/ && $password =~ /[0-9]/) { return 1; } else { return 0; } } when ($_ >= 16 && $_ <= 19) { if ($password =~ /[a-z]/ && $password =~ /[A-Z]/) { return 1; } else { return 0; } } when ($_ >= 20) { return 1; } default { return 0; } } } # haukex, https://www.perlmonks.org/?node_id=11118347 sub regex1 { $_[0] =~ m{ \A (?: .{20,} | (?=.*[a-z]) (?=.*[A-Z]) .{16,19} | (?=.*[a-z]) (?=.*[A-Z]) (?=.*[0-9]) .{12,15} | (?=.*[a-z]) (?=.*[A-Z]) (?=.*[0-9]) (?=.*[\x21-\x2F\x3A-\x40\x5B-\x60\x7B-\x7E]) .{8,11} ) \z }msx } sub regex2 { $_[0] =~ m{ \A (?: .{20,} | (?=.*[a-z]) (?=.*[A-Z]) (?: .{16,19} | (?=.*[0-9]) (?: .{12,15} | (?=.*[\x21-\x2F\x3A-\x40\x5B-\x60\x7B-\x7E]) .{8,11} ) ) ) \z }msx } # choroba, https://www.perlmonks.org/?node_id=11118354 my @RE1 = (qr/[[:lower:]]/, qr/[[:upper:]]/, qr/[0-9]/, qr/[^[:alnum:] +]/); sub check1 { local ($_) = @_; my $length = length; return if $length < 8; return if $length < 12 && (! /$RE1[0]/ || ! /$RE1[1]/ || ! /$RE1[2 +]/ || ! /$RE1[3]/); return if $length < 16 && (! /$RE1[0]/ || ! /$RE1[1]/ || ! /$RE1[2 +]/); return if $length < 20 && (! /$RE1[0]/ || ! /$RE1[1]/); return 1 } use List::Util qw{ any }; my @RE2 = (qr/[[:lower:]]/, qr/[[:upper:]]/, qr/[0-9]/, qr/[^[:alnum:] +]/); sub check2 { my ($password) = @_; my $length = length $password; return if $length < 8; return if $length < 12 && any { $password !~ $RE2[$_] } 0 .. 3; return if $length < 16 && any { $password !~ $RE2[$_] } 0 .. 2; return if $length < 20 && any { $password !~ $RE2[$_] } 0 .. 1; return 1 } # LanX, https://www.perlmonks.org/?node_id=11118358 use List::Util qw/min/; { # for lexicals my $short = sub { "is too short" }; my $lowercase = sub { /[a-z]/ ? "" : "has no lowercase character" +}; my $uppercase = sub { /[A-Z]/ ? "" : "has no uppercase character" +}; my $number = sub { /[0-9]/ ? "" : "has no number" }; my $special = sub { if (/[\x21-\x2F]/ || /[\x3A-\x40]/ || /[\x5B-\x60]/ || /[\x7B-\x7E]/ ) { return ""; } else { return "has no special characters"; } }; my $pass = sub {""}; my @rules_for_class = ( [ $short ], [ $short ], [ $lowercase, $uppercase, $number ,$special ], [ $lowercase, $uppercase, $number ], [ $lowercase, $uppercase ], [ $pass ] ); sub pw_not_ok1 { my $pw = shift; my $len = length $pw; my $idx = min(int($len/4),5); for my $rule ( @{ $rules_for_class[$idx] } ) { $_ = $pw; if ( my $err = $rule->() ) { return $err; } } return; } # LanX, https://www.perlmonks.org/?node_id=11118360 my %rules_by_max_length = ( 7 => [ $short ], 11 => [ $lowercase, $uppercase, $number ,$special ], 15 => [ $lowercase, $uppercase, $number ], 19 => [ $lowercase, $uppercase ], 50 => [ $pass ] ); my @boundaries = sort { $a <=> $b } keys %rules_by_max_length; sub pw_not_ok2 { my $pw = shift; my $len = length $pw; return "too long" if $len >= 50; for my $boundary ( @boundaries ) { next if $len > $boundary; my $rules = $rules_by_max_length{$boundary}; for my $rule ( @$rules ) { $_ = $pw; if ( my $err = $rule->() ) { return $err; } } } return; } } cmpthese(-2, { orig => sub { orig('aaaaA0-') and die; orig('aaaaaA0-') or die; orig('aaaaaaaaa0-') and die; orig('aaaaaaaaaaA0') or die; orig('aaaaaaaaaaaaaaA') and die; orig('aaaaaaaaaaaaaaaA') or die; orig('aaaaaaaaaaaaaaaaaaa') and die; orig('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa') or die; }, haukex1 => sub { regex1('aaaaA0-') and die; regex1('aaaaaA0-') or die; regex1('aaaaaaaaa0-') and die; regex1('aaaaaaaaaaA0') or die; regex1('aaaaaaaaaaaaaaA') and die; regex1('aaaaaaaaaaaaaaaA') or die; regex1('aaaaaaaaaaaaaaaaaaa') and die; regex1('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa') or die; }, haukex2 => sub { regex2('aaaaA0-') and die; regex2('aaaaaA0-') or die; regex2('aaaaaaaaa0-') and die; regex2('aaaaaaaaaaA0') or die; regex2('aaaaaaaaaaaaaaA') and die; regex2('aaaaaaaaaaaaaaaA') or die; regex2('aaaaaaaaaaaaaaaaaaa') and die; regex2('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa') or die; }, choroba1 => sub { check1('aaaaA0-') and die; check1('aaaaaA0-') or die; check1('aaaaaaaaa0-') and die; check1('aaaaaaaaaaA0') or die; check1('aaaaaaaaaaaaaaA') and die; check1('aaaaaaaaaaaaaaaA') or die; check1('aaaaaaaaaaaaaaaaaaa') and die; check1('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa') or die; }, choroba2 => sub { check2('aaaaA0-') and die; check2('aaaaaA0-') or die; check2('aaaaaaaaa0-') and die; check2('aaaaaaaaaaA0') or die; check2('aaaaaaaaaaaaaaA') and die; check2('aaaaaaaaaaaaaaaA') or die; check2('aaaaaaaaaaaaaaaaaaa') and die; check2('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa') or die; }, LanX1 => sub { pw_not_ok1('aaaaA0-') or die; pw_not_ok1('aaaaaA0-') and die; pw_not_ok1('aaaaaaaaa0-') or die; pw_not_ok1('aaaaaaaaaaA0') and die; pw_not_ok1('aaaaaaaaaaaaaaA') or die; pw_not_ok1('aaaaaaaaaaaaaaaA') and die; pw_not_ok1('aaaaaaaaaaaaaaaaaaa') or die; pw_not_ok1('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa') and die; }, LanX2 => sub { pw_not_ok2('aaaaA0-') or die; pw_not_ok2('aaaaaA0-') and die; pw_not_ok2('aaaaaaaaa0-') or die; pw_not_ok2('aaaaaaaaaaA0') and die; pw_not_ok2('aaaaaaaaaaaaaaA') or die; pw_not_ok2('aaaaaaaaaaaaaaaA') and die; pw_not_ok2('aaaaaaaaaaaaaaaaaaa') or die; pw_not_ok2('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa') and die; }, });

In reply to Re^3: Efficient way to verify scalar contents by haukex
in thread Efficient way to verify scalar contents by x_stream3m

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