C++ Regex Engine provides a robust regular expression library for use in C++. The syntax of the regular expression language is very close to the Perl 5 standard. The classes given somewhat mirror those found in Java's regular expression library, but have several improvements. The intended audience of this package is anyone who does a lot of data parsing (e.g. sysadmins), people tired of trying to decipher Perl scripts, and regular expression beginners who know C++. Some knowledge of the STL's vector and string will come in handy, but isn't necessary.
Jeff's Java Scanf Library is an implementation of the C-Runtime scanf, fscanf, and sscanf functions. The syntax of format strings is very similar (%*s, %3d, etc.) to that of the standard C implementation of scanf. Instead of taking wrapper objects, all scanf functions return an Object, whose types can be inferred from the format string.