| line | true | false | branch | 
 
| 26 | 9 | 0 | ref $_[1] ne 'SCALAR' ? : | 
 
|  | 0 | 9 | !ref($_[1]) ? : | 
 
| 49 | 0 | 0 | unless defined $arg and $arg =~ /^\d+$/ | 
 
| 60 | 0 | 0 | unless defined $search and defined $replace | 
 
| 72 | 0 | 0 | unless defined $pattern | 
 
| 76 | 0 | 0 | unless scalar @maches | 
 
| 86 | 0 | 0 | unless defined $pattern | 
 
| 96 | 0 | 0 | unless defined $pattern | 
 
| 133 | 0 | 0 | unless length $val | 
 
| 160 | 0 | 0 | if ($num =~ /^[-+]?\d\d\d\d+/g) | 
 
| 217 | 0 | 0 | if (defined $key) | 
 
| 227 | 0 | 0 | if (defined $key) | 
 
| 295 | 0 | 0 | ref $_[0] ? : | 
 
| 355 | 0 | 0 | if (defined $type and $type eq 'keys') { } | 
 
|  | 0 | 0 | elsif (defined $type and $type eq 'values') { } | 
 
|  | 0 | 0 | elsif (defined $type and $type eq 'each') { } |