Seeker

Seeker's has a ultra-fast file search engine on top of a powerful file search algorithm. Searching for files or inside of files Seeker can handle it. Seeker not only searches for files or inside files, Seeker lets you replace text inside of files. Regular expression support and command line parameter support makes Seeker a complete search and replace solution. All results from Seeker can be viewed in one of four advanced reporting modes; Detailed file list, Structured report, Summary report, and Summary report with file list. Don't miss out on the top Search and Replace application around.
Key Features:
Search for files based on a file name mask, date restriction, or size restriction
Replace text inside of files
Command line parameter support
Regular expression support
Preview all search results in a convienent highlight view mode
Special File Handlers to search inside of files using their native application
Save and recall search settings
Powerful reporting with four different modes
The utility is fast.fast..fast