| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pcreapi | 3 | 423 |
| x11r4 | pcreapi | 3 | 359 |
| opensolaris | pcreapi | 3 | 354 |
| debian | pcreapi | 3 | 326 |
| posix | pcreapi | 3 | 290 |
| suse | pcreapi | 3 | 288 |
| centos | pcreapi | 3 | 284 |
| osx | pcreapi | 3 | 281 |
| ultrix | pcreapi | 3 | 274 |
| xfree86 | pcreapi | 3 | 272 |
| php | pcreapi | 3 | 270 |
| mojave | pcreapi | 3 | 266 |
| v7 | pcreapi | 3 | 243 |
| hpux | pcreapi | 3 | 238 |
| plan9 | pcreapi | 3 | 226 |