-E Interpret regular expressions followed by -regex and -iregex op-
tions as extended (modern) regular expressions rather than basic
regular expressions (BRE's). The re_format(7) manual page fully
describes both formats.
-iname pattern
Like -name, but the match is case insensitive.
-ipath pattern
Like -path, but the match is case insensitive.
-regex pattern
True if the whole path of the file matches pattern using regular
expression. To match a file named ``./foo/xyzzy'', you can use
the regular expression ``.*/[xyz]*'' or ``.*/foo/.*'', but not
``xyzzy'' or ``/foo/''.
-iregex pattern
Like -regex, but the match is case insensitive.
These are meant to be compatible with other find(1) implementations
such as GNU's or NetBSD's except regexp library differences.
Reviewed by: sobomax, dcs, and some other people on -current
behave as in GNU find (and of course as described in the manual page
diff included). I think these options would be useful for some people.
Some missing $FreeBSD$ tags are also added.
The patch was slightly modified (send-pr mangling of TABS).
PR: bin/18941
Submitted by: Ben Smithurst <ben@scientia.demon.co.uk>