| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | regcmp | 3c | 525 |
| sunos | regcmp | 3c | 510 |
| hpux | regcmp | 1 | 499 |
| opendarwin | regcmp | 1 | 438 |
| xfree86 | regcmp | 1 | 421 |
| suse | regcmp | 1 | 401 |
| posix | regcmp | 1 | 399 |
| linux | regcmp | 1 | 395 |
| php | regcmp | 1 | 392 |
| opensolaris | regcmp | 1 | 388 |
| centos | regcmp | 1 | 387 |
| minix | regcmp | 1 | 373 |
| v7 | regcmp | 1 | 371 |
| plan9 | regcmp | 1 | 368 |
| mojave | regcmp | 1 | 352 |
| sunos | regcmp | 1 | 337 |
| x11r4 | regcmp | 1 | 334 |
| osx | regcmp | 1 | 308 |
| osf1 | regcmp | 3 | 304 |