| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | re_syntax | 1t | 361 |
| centos | re_syntax | n | 227 |
| opendarwin | re_syntax | n | 195 |
| debian | re_syntax | 3tcl | 176 |
| hpux | re_syntax | 3tcl | 170 |
| freebsd | re_syntax | 3tcl | 163 |
| ultrix | re_syntax | 3tcl | 161 |
| suse | re_syntax | n | 152 |
| redhat | re_syntax | n | 150 |
| osx | re_syntax | n | 150 |
| redhat | re_syntax | 3tcl | 136 |
| mojave | re_syntax | n | 127 |
| mojave | re_syntax | ntcl | 122 |