| OS | Man Page | Section | Hits |
|---|---|---|---|
| osx | re_format | 7 | 1,078 |
| freebsd | re_format | 7 | 603 |
| mojave | re_format | 7 | 341 |
| netbsd | re_format | 7 | 323 |
| opendarwin | re_format | 7 | 254 |
| linux | re_format | 7 | 190 |
| redhat | re_format | 7 | 167 |
| debian | re_format | 7 | 158 |
| osf1 | re_format | 7 | 155 |
| minix | re_format | 7 | 154 |
| sunos | re_format | 7 | 143 |
| php | re_format | 7 | 141 |
| centos | re_format | 7 | 140 |
| suse | re_format | 7 | 139 |
| hpux | re_format | 7 | 139 |
| x11r4 | re_format | 7 | 136 |
| v7 | re_format | 7 | 129 |
| xfree86 | re_format | 7 | 124 |