Batch Docs - Replace text in, add or remove content, and edit thousands of Word documents in doc and docx formats, PDFs, RTF documents, and other text documents.
regexxer - regexxer is a nifty GUI search/replace tool featuring Perl-style regular expressions.
Batch Word Replace - Replace text in, add or remove content, and edit thousands of Word documents in doc and docx formats, PDFs, RTF documents, and other text documents.
PowerGREP - Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...
dnGREP - dnGrep allows you to search across files with easy-to-read results.
Advanced Find and Replace - Search files with smart queries as with Google, replace simple or multiline text in multiple files.