| OS | Man Page | Section | Hits |
|---|---|---|---|
| php | ctype_digit | 3 | 684 |
| linux | isdigit | 3 | 552 |
| freebsd | isxdigit | 3 | 324 |
| linux | iswdigit | 3 | 320 |
| freebsd | isdigit | 3 | 309 |
| mojave | isdigit | 3 | 286 |
| osx | isdigit | 3 | 270 |
| posix | isdigit | 3p | 268 |
| netbsd | isxdigit | 3 | 258 |
| plan9 | iswdigit | 3 | 255 |
| linux | iswxdigit | 3 | 252 |
| osx | isxdigit | 3 | 251 |
| freebsd | digittoint | 3 | 248 |
| mojave | isxdigit | 3 | 246 |
| centos | iswdigit | 3 | 243 |
| suse | djvudigital | 1 | 242 |
| osx | digittoint | 3 | 241 |
| posix | isxdigit | 3p | 241 |
| netbsd | isdigit | 3 | 231 |
| php | iswdigit | 3 | 230 |
| redhat | iswxdigit | 3 | 225 |
| debian | iswdigit | 3 | 225 |
| xfree86 | iswxdigit | 3 | 224 |
| opensolaris | isdigit | 3c | 223 |
| debian | algorithm::checkdigits::m11_013 | 3pm | 221 |
| debian | algorithm::checkdigits::mbase_001 | 3pm | 216 |
| linux | isxdigit | 3 | 214 |
| mojave | digittoint | 3 | 214 |
| sunos | isdigit | 3c | 212 |
| suse | iswdigit | 3 | 208 |
| centos | iswxdigit | 3 | 206 |
| php | iswxdigit | 3 | 205 |
| x11r4 | iswxdigit | 3 | 205 |
| redhat | iswdigit | 3 | 205 |
| posix | iswxdigit | 3p | 204 |
| opendarwin | iswdigit | 3 | 204 |
| php | ctype_xdigit | 3 | 203 |
| debian | djvudigital | 1 | 194 |
| debian | algorithm::checkdigits::m10_008 | 3pm | 194 |
| debian | iswxdigit | 3 | 192 |
| plan9 | iswxdigit | 3 | 192 |
| x11r4 | iswdigit | 3 | 191 |
| debian | algorithm::checkdigits::m11_016 | 3pm | 191 |
| ultrix | iswdigit | 3 | 190 |
| suse | iswxdigit | 3 | 189 |
| v7 | iswxdigit | 3 | 188 |
| debian | prelude.isdigit | 3kaya | 187 |
| centos | isdigit | 3p | 187 |
| minix | iswdigit | 3 | 186 |
| opendarwin | iswxdigit | 3 | 186 |