| OS | Man Page | Section | Hits |
|---|---|---|---|
| sunos | regcmp | 3c | 224 |
| opensolaris | regcmp | 3c | 220 |
| opensolaris | regcmp | 1 | 159 |
| xfree86 | regcmp | 1 | 152 |
| hpux | regcmp | 1 | 151 |
| linux | regcmp | 1 | 150 |
| posix | regcmp | 1 | 148 |
| minix | regcmp | 1 | 144 |
| opendarwin | regcmp | 1 | 144 |
| mojave | regcmp | 1 | 142 |
| php | regcmp | 1 | 140 |
| sunos | regcmp | 1 | 135 |
| suse | regcmp | 1 | 135 |
| osf1 | regcmp | 3 | 133 |
| v7 | regcmp | 1 | 132 |
| x11r4 | regcmp | 1 | 128 |
| centos | regcmp | 1 | 127 |
| plan9 | regcmp | 1 | 121 |
| osx | regcmp | 1 | 117 |