Regular expression search . Searches for parts of a filename with a regular expression . Regular expressions are a powerful way of matching text strings. Exact search . Searches for the exact filename.
Case is significant.
A limit to the number of hits the server should report. Having gnu here would exclude hits with a path that did not contain gnu . Use of this filter may cause a markedly higher response time. Plain text output can be faster in some cases because allows progressive display of hits. The FTP.NTUA.GR Search Engine uses FTP search v3.4 package, available here .