| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pcreapi | 3 | 279 |
| x11r4 | pcreapi | 3 | 262 |
| debian | pcreapi | 3 | 244 |
| opensolaris | pcreapi | 3 | 232 |
| posix | pcreapi | 3 | 209 |
| centos | pcreapi | 3 | 206 |
| suse | pcreapi | 3 | 197 |
| osx | pcreapi | 3 | 196 |
| mojave | pcreapi | 3 | 194 |
| xfree86 | pcreapi | 3 | 192 |
| ultrix | pcreapi | 3 | 189 |
| php | pcreapi | 3 | 187 |
| hpux | pcreapi | 3 | 171 |
| v7 | pcreapi | 3 | 162 |
| plan9 | pcreapi | 3 | 156 |