FastGREP is a search and replace tool for Windows. You could use regex or wildcards to find text in multi-files. And you could replace them too. It works so fast than Windows Explorer search or other tools. (1)Fast and easy-use. (2)PCRE regular expressions supported. (3)Supports wildcards also. (4)Supports plain text in regex \Q and \E. (5)Highlight in search and replace. (6)Preview mode for replacing supported. (7)Backup and restore in zip. (8)History of regex expressions.