re2c is a tool for writing flexible and fast lexers. Unlike other such tools, it concentrates solely on generating efficient code for matching regular expressions.

This make it suitable for a wide variety of applications. The generated scanners approach hand-crafted ones in terms of size and speed.

What's New in This Release:

· This release adds a few minor features.
· Most notably, it allows for transparent handling of #line directives in input files and has improved -r functionality.
· The -r interface has changed a lot.