|  | Home | Libraries | People | FAQ | More | 
Table 9. Testing Perl searches (platform = linux, compiler = GNU C++ version 5.1.0)
| 
                    Expression | std::regex | boost 1.59 | boost::xpressive::cregex | PCRE-10.10 | 
|---|---|---|---|---|
| 
                     | - | 
                    1.44 | 
                    1.49 | 
                    1.00 | 
| 
                     | - | 
                    2.19 | 
                    1.21 | 
                    1.00 | 
| 
                     | - | 
                    1.90 | 
                    2.30 | 
                    1.00 | 
| 
                     | - | 
                    2.27 | 
                    1.38 | 
                    1.00 | 
| 
                     | - | 
                    2.14 | 
                    1.72 | 
                    1.00 | 
| 
                     | - | 
                    1.00 | - | 
                    2.55 | 
| 
                     | - | 
                    1.88 | 
                    1.14 | 
                    1.00 | 
| 
                     | 
                    3.55 | 
                    1.78 | 
                    1.00 | 
                    1.84 | 
| 
                     | 
                    33.79 | 
                    1.00 | 
                    1.13 | 
                    1.15 | 
| 
                     | - | 
                    1.00 | - | 
                    1.47 | 
| 
                     | - | 
                    1.32 | - | 
                    1.00 | 
| 
                     | 
                    10.62 | 
                    1.43 | 
                    1.00 | 
                    1.35 | 
| 
                     | 
                    10.59 | 
                    1.44 | 
                    1.00 | 
                    1.34 |