| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pcreapi | 3 | 193 |
| x11r4 | pcreapi | 3 | 180 |
| opensolaris | pcreapi | 3 | 172 |
| debian | pcreapi | 3 | 151 |
| centos | pcreapi | 3 | 128 |
| php | pcreapi | 3 | 125 |
| osx | pcreapi | 3 | 123 |
| mojave | pcreapi | 3 | 121 |
| posix | pcreapi | 3 | 120 |
| suse | pcreapi | 3 | 114 |
| xfree86 | pcreapi | 3 | 112 |
| hpux | pcreapi | 3 | 109 |
| ultrix | pcreapi | 3 | 107 |
| v7 | pcreapi | 3 | 99 |
| plan9 | pcreapi | 3 | 94 |