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Portable grepWin is the portable version of grepWin developed to be able to run from a USB flash drive or any other portable device. grepWin is a useful program that allows you to search and replace text in multiple files at the same time. It comes in handy when you have numerous documents that need corrections. But grepWin lets you filter this search by providing you with some configuration options. For example, you can enable case sensitive mode, treat files as UTF8, set a file size limit, exclude directories and write text match patterns for file names.

Portable grepWin is a simple, easy to use search and replace tool which can use regular expressions to do its job. This allows to do much more powerful searches and replaces.