RegexLord is the IDE for developing regularexpression assemblies for .NET. Full stop. It provides syntax highlighting (via the sharpdevelop text editor, http://sharpdevelop.net/), bracket matching, namespace management, code folding, and an easy to
Forager is a source code search plug-in for Eclipse that uses information retrieval techniques to enable software engineers to locate concepts & concerns in unfamiliar code more efficiently than traditional regularexpression based search tools.