Overview
Written in C# 2.0, RxFind is a command line tool allowing you to search (and replace) the content of files using Regular Expressions. A must have for every administrator.

In my 13 meg test file, I was able to search and replace (and create a .bak file) in less than 1 second.

Additional Info
Author: Joel Thoms
HomePage: http://joel.net

Features
Screenshot
rxfind.gif

Warning
This tool loads the file into memory before performing searches. It is untested on extremely large files. You might not be able to use this tool with extremely large files.

Installation
All you have to do (and this is optional) is add RxFind's path to your PATH environment variable.

WinXP - Go to your "Control Panel" and select "System". Open the "Advanced" tab and click on the "Environment Variables" button. In the "System variables" section, select "Path" and click "Edit". Add the path you've extracted the executable to into the "Variable value" section and click "OK".