This is an implementation of Rx text transformation script language.
Windows visual diff and merge for files and directories
A fast filename renaming tool
A linguistic annotation store
Anti-Spam SMTP Proxy Server implements multiple spam filters
Web-Based Bible Search Engine
Executing shell commands via HTTP server
Notepad for Windows, Linux, and Mac platforms
Universal server
Extrect selected entries from LDIF files like grep
Simple, fast and yet powerful PHP router that is easy to integrate
HTTP router and URL matcher for building Go web servers
Access Log Profiler
dev environment tool to write and test complex regular expressions
wxMEdit, Cross-platform Text/Hex Editor, Improved Version of MadEdit
The fast scanner generator for Java™ with full Unicode support
Ada contributions : demos of GTKAda, binding to PCRE
ACHE is a web crawler for domain-specific search
Golang - Regular Expression Tutorial
A Windows File Searching Utility (grep)
Simple calculator for typing expressions with the keyboard
A high-performance sensitive word
RFRE is a tool to find DNA repeats (tandem and short)