AdvaSaR Ed (Editor with Advanced Search and Replace).
Search and replace are the standard functions of text editors. You likely use them when editing documents.
AdvaSaR Ed is a powerful tool of fast search, replacement and processing of a great amount of textual files such as: web-pages, source codes, messages and correspondence, server and system log-files, historical archives and so on.
The target of search can be a simple text as well as Perl compatible regular expressions. Regular expressions are especially handy when you don`t know exactly what you are looking for. In this case you can enter only the form of your target search.
With the help of AdvaSaR Ed and regular expressions you are able to carry out a complex processing of program texts, Web-site pages, any documents, to look for data by complicated criteria, to create your own documents and do many other things.
AdvaSaR Ed supports patterns, adjusted due to the document extension and allows to perform the search and replace within a great amount of files and directories with the help of one command.
The software AdvaSaR Ed has a powerful built-in editor and can be useful for programmers and web-masters as well as other specialists.

This program is good replacement to notepad.