| OS | Man Page | Section | Hits |
|---|---|---|---|
| php | ctype_digit | 3 | 1,077 |
| linux | isdigit | 3 | 769 |
| freebsd | isxdigit | 3 | 572 |
| linux | iswdigit | 3 | 566 |
| freebsd | isdigit | 3 | 539 |
| posix | isdigit | 3p | 519 |
| osx | isdigit | 3 | 506 |
| mojave | isdigit | 3 | 505 |
| osx | isxdigit | 3 | 497 |
| mojave | isxdigit | 3 | 474 |
| osx | digittoint | 3 | 473 |
| netbsd | isxdigit | 3 | 465 |
| mojave | digittoint | 3 | 463 |
| plan9 | iswdigit | 3 | 458 |
| freebsd | digittoint | 3 | 451 |
| netbsd | isdigit | 3 | 446 |
| posix | isxdigit | 3p | 445 |
| x11r4 | iswxdigit | 3 | 444 |
| centos | iswdigit | 3 | 441 |
| linux | iswxdigit | 3 | 438 |
| php | iswdigit | 3 | 437 |
| suse | iswdigit | 3 | 431 |
| opensolaris | isdigit | 3c | 429 |
| suse | djvudigital | 1 | 427 |
| xfree86 | iswxdigit | 3 | 425 |
| redhat | iswxdigit | 3 | 422 |
| debian | iswdigit | 3 | 421 |
| sunos | isdigit | 3c | 418 |
| centos | iswxdigit | 3 | 408 |
| php | ctype_xdigit | 3 | 404 |
| plan9 | iswxdigit | 3 | 401 |
| v7 | iswdigit | 3 | 397 |
| php | iswxdigit | 3 | 390 |
| opendarwin | iswdigit | 3 | 385 |
| linux | isxdigit | 3 | 385 |
| bsd | iswdigit | 3 | 379 |
| xfree86 | iswdigit | 3 | 377 |
| redhat | iswdigit | 3 | 377 |
| x11r4 | iswdigit | 3 | 375 |
| debian | algorithm::checkdigits::mbase_001 | 3pm | 375 |
| freebsd | iswxdigit | 3 | 375 |
| suse | iswxdigit | 3 | 366 |
| opendarwin | iswxdigit | 3 | 363 |
| debian | prelude.isdigit | 3kaya | 363 |
| minix | iswdigit | 3 | 361 |
| bsd | isdigit | 3 | 361 |
| debian | algorithm::checkdigits::m11_013 | 3pm | 354 |
| hpux | isdigit | 3c | 352 |
| ultrix | iswdigit | 3 | 350 |
| posix | iswxdigit | 3p | 349 |