How to locate a path? - Unix & Linux Stack Exchange
http://unix.stackexchange.com/questions/295559/how-to-locate-a-path
-r, --regexp REGEXP
Search for a basic regexp REGEXP. No PATTERNs are allowed if
this option is used, but this option can be specified multiple
times.
[a@localhost .dircache]$ locate -r openssl/sha.h
/opt/jenkins-1.658-0/common/include/openssl/sha.h
/opt/phabricator-20160523-0/common/include/openssl/sha.h
/opt/redmine-3.3.0-1/common/include/openssl/sha.h
/usr/include/openssl/sha.h