| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | regcmp | 3c | 646 |
| hpux | regcmp | 1 | 631 |
| sunos | regcmp | 3c | 613 |
| opendarwin | regcmp | 1 | 559 |
| xfree86 | regcmp | 1 | 534 |
| php | regcmp | 1 | 513 |
| suse | regcmp | 1 | 503 |
| linux | regcmp | 1 | 502 |
| opensolaris | regcmp | 1 | 495 |
| centos | regcmp | 1 | 484 |
| posix | regcmp | 1 | 482 |
| v7 | regcmp | 1 | 480 |
| minix | regcmp | 1 | 474 |
| plan9 | regcmp | 1 | 468 |
| x11r4 | regcmp | 1 | 446 |
| mojave | regcmp | 1 | 438 |
| sunos | regcmp | 1 | 421 |
| osf1 | regcmp | 3 | 375 |
| osx | regcmp | 1 | 372 |