| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pcreapi | 3 | 227 |
| x11r4 | pcreapi | 3 | 222 |
| opensolaris | pcreapi | 3 | 208 |
| debian | pcreapi | 3 | 194 |
| centos | pcreapi | 3 | 161 |
| mojave | pcreapi | 3 | 155 |
| osx | pcreapi | 3 | 154 |
| php | pcreapi | 3 | 152 |
| posix | pcreapi | 3 | 152 |
| ultrix | pcreapi | 3 | 148 |
| suse | pcreapi | 3 | 144 |
| xfree86 | pcreapi | 3 | 142 |
| hpux | pcreapi | 3 | 139 |
| v7 | pcreapi | 3 | 129 |
| plan9 | pcreapi | 3 | 123 |