| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | re_syntax | 1t | 230 |
| opendarwin | re_syntax | n | 133 |
| centos | re_syntax | n | 124 |
| hpux | re_syntax | 3tcl | 122 |
| debian | re_syntax | 3tcl | 121 |
| freebsd | re_syntax | 3tcl | 115 |
| osx | re_syntax | n | 114 |
| ultrix | re_syntax | 3tcl | 114 |
| suse | re_syntax | n | 103 |
| redhat | re_syntax | 3tcl | 95 |
| redhat | re_syntax | n | 94 |
| mojave | re_syntax | ntcl | 82 |
| mojave | re_syntax | n | 76 |