Quickly find information in files and folders across your computer or network, even if you do not know in advance exactly what you are looking for. Use powerful regular expressions to specify the form of what you want, and let PowerGREP find the actual text matching that form. A detailed regular expression tutorial is included. 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, UNIX and Mac text files, compressed archives, Microsoft Word documents, Excel worksheets, PDF files, etc. Extract useful information from large sets of data. Distill statistics and knowledge from all kinds of log files. Perform comprehensive search-and-replace operations across large numbers of files for easy maintenance or fast editing of web sites, source code, reports, etc. Preview the results before actually modifying files. Replace or revert individual search matches in a full-featured file editor. Stay safe with a variety of backup and undo options.