Regular expression search and replace tool ...

PowerGREP is a powerful grep tool for quickly searching for a piece of information through files and folders on your computer, even if you do not know in advance exactly what you are looking for. PowerGREP's rich Perl-compatible regular expression support allows you to search for virtually anything by specifying the form of what you want, and let PowerGREP find the actual text matching that form. The documentation that is included with PowerGREP contains a detailed introduction to regular expressions, with many simple and complex examples.

Get a list files you want to work with on the File Finder Page, as you can do in the Search pane in Windows Explorer. Locate specific information on the Search page, inspect the context of search matches, and open files in your favorite applications and editors. Gather data and statistics or parse log files on the Collect page to analyze and extract valuable information from huge files. Save file selections and search actions for reuse. Save search results for later reference.

Search through plain text files such as source code, letters and correspondence, server or system logs, reference texts, historic archives, etc. Search through through binary files, Unicode files, UNIX and Mac text files, files stored in zip archives, and even Microsoft Word documents and PDF files.

Let PowerGREP perform comprehensive search-and-replace operations across large numbers of files for easy maintenance of web sites, source code, reports, etc. Preview and inspect the results of the search and replace before actually modifying files. Stay safe with a variety of backup options. Undo changes or clean up backup files in the Undo History. Search-and-replace through files and folders on the Replace page, or perform a multitude of search-and-replace operations on the same set of files and folders on the Sequence page.

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