Search your files for keywords, even using regular expressions, with AstroGrep
AstroGrep is a free utility that will let you search within files for keywords.
The program supports regular expressions, versatile printing options, stores most recently used paths. A Microsoft Word plugin will handle .docx files.
Features of AstroGrep: Regular expressions * Concurrent multiple file types * Recursive directory searching * A “context” feature that selects the lines above and below your search expression * Most Recently Used list for search paths;
Somewhat versatile printing options * Double click to open file with editor of your choice * Store Most Recently Used file names and search expressions * Match Whole Word Only * Syntax highlighing