| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | re_syntax | 1t | 402 |
| centos | re_syntax | n | 248 |
| opendarwin | re_syntax | n | 212 |
| debian | re_syntax | 3tcl | 208 |
| hpux | re_syntax | 3tcl | 190 |
| ultrix | re_syntax | 3tcl | 188 |
| freebsd | re_syntax | 3tcl | 185 |
| suse | re_syntax | n | 176 |
| osx | re_syntax | n | 172 |
| redhat | re_syntax | n | 167 |
| redhat | re_syntax | 3tcl | 156 |
| mojave | re_syntax | n | 146 |
| mojave | re_syntax | ntcl | 140 |