linear time regular expression matching in Java
Alternative to backtracking regular expression engines
common java utility library
Simple, fast and yet powerful PHP router that is easy to integrate
A software components library
The fast scanner generator for Java™ with full Unicode support
Lexer and parser generator tool for C++
Mathematical expression parser and evaluator for .NET
JavaScript Regular expressions made easy
This code is used at Twitter to tokenize and parse text
Useful crossplatform library for distributed systems
A C++ library for managing configuration files via regular expressions
A java configuration file and command line parser
JSON made simple for .NET
a simple cron scheduler for java
C# classes for parsing and evaluation.