| OS | Man Page | Section | Hits |
|---|---|---|---|
| osx | re_format | 7 | 805 |
| freebsd | re_format | 7 | 505 |
| mojave | re_format | 7 | 284 |
| netbsd | re_format | 7 | 269 |
| opendarwin | re_format | 7 | 202 |
| linux | re_format | 7 | 167 |
| redhat | re_format | 7 | 142 |
| debian | re_format | 7 | 123 |
| osf1 | re_format | 7 | 123 |
| minix | re_format | 7 | 118 |
| sunos | re_format | 7 | 116 |
| hpux | re_format | 7 | 116 |
| php | re_format | 7 | 113 |
| suse | re_format | 7 | 110 |
| centos | re_format | 7 | 110 |
| v7 | re_format | 7 | 110 |
| x11r4 | re_format | 7 | 107 |
| xfree86 | re_format | 7 | 98 |