| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | isdigit | 3 | 508 |
| php | ctype_digit | 3 | 401 |
| linux | iswdigit | 3 | 271 |
| freebsd | isxdigit | 3 | 269 |
| freebsd | isdigit | 3 | 248 |
| mojave | isdigit | 3 | 227 |
| posix | isdigit | 3p | 226 |
| osx | isdigit | 3 | 213 |
| linux | iswxdigit | 3 | 210 |
| plan9 | iswdigit | 3 | 207 |
| suse | djvudigital | 1 | 204 |
| netbsd | isxdigit | 3 | 197 |
| freebsd | digittoint | 3 | 197 |
| centos | iswdigit | 3 | 195 |
| osx | digittoint | 3 | 194 |
| mojave | isxdigit | 3 | 187 |
| osx | isxdigit | 3 | 185 |
| redhat | iswxdigit | 3 | 184 |
| debian | iswdigit | 3 | 184 |
| posix | isxdigit | 3p | 183 |
| debian | algorithm::checkdigits::m11_013 | 3pm | 182 |
| opensolaris | isdigit | 3c | 181 |
| debian | algorithm::checkdigits::mbase_001 | 3pm | 178 |
| linux | isxdigit | 3 | 177 |
| sunos | isdigit | 3c | 175 |
| php | iswdigit | 3 | 175 |
| mojave | digittoint | 3 | 174 |
| php | iswxdigit | 3 | 173 |
| posix | iswxdigit | 3p | 173 |
| debian | djvudigital | 1 | 173 |
| netbsd | isdigit | 3 | 171 |
| xfree86 | iswxdigit | 3 | 171 |
| x11r4 | iswxdigit | 3 | 168 |
| centos | iswxdigit | 3 | 166 |
| suse | iswdigit | 3 | 165 |
| php | ctype_xdigit | 3 | 163 |
| opendarwin | iswdigit | 3 | 160 |
| debian | algorithm::checkdigits::m10_008 | 3pm | 159 |
| debian | algorithm::checkdigits::m11_016 | 3pm | 158 |
| redhat | iswdigit | 3 | 158 |
| posix | iswdigit | 3p | 157 |
| ultrix | iswdigit | 3 | 157 |
| centos | isdigit | 3p | 157 |
| x11r4 | iswdigit | 3 | 156 |
| plan9 | iswxdigit | 3 | 153 |
| v7 | iswxdigit | 3 | 152 |
| xfree86 | iswdigit | 3 | 151 |
| ultrix | isdigit | 3 | 151 |
| minix | iswxdigit | 3 | 150 |
| suse | iswxdigit | 3 | 149 |