3.7. PCRE(optional)

"Perl compatible regular expressions"

3.7.1. Unix

If this library isn't already installed and also not available as a package for your platform, you can get it at: http://www.pcre.org/.

3.7.2. Win32 MSVC

You can get the latest version at: http://gnuwin32.sourceforge.net/packages/pcre.htm