Even with the -iregex option, the find command performs case-sensitive matching.
Test procedure: $ mkdir test $ touch test/file-a $ touch test/File-b $ find test | grep -i ".*file.*" test/file-a test/File-b $ find test -iregex ".*file.*" test/file-a $ find test -iregex ".*File.*" test/File-b I'm using Cygwin 1.5.12-1 under Windows XP Professional Ver 5.1 Build 2600 Service Pack 1, findutils 20041227-1. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/