SSR: Simple Search & Replace is described as 'Search and replace from command line'. There are more than 10 alternatives to SSR: Simple Search & Replace for a variety of platforms, including Windows, Linux, Mac, BSD and Online / Web-based. The best alternative is grepWin, which is both free and Open Source. Other great apps like SSR: Simple Search & Replace are grep (Free, Open Source), dnGREP (Free, Open Source), AstroGrep (Free, Open Source) and ripgrep (Free, Open Source).
grepWin is a simple search and replace tool which can use PCRE regular expressions to search for strings of text within files. grepWin adds an entry to the shell context menu to easily search selected folders.
AstroGrep is A Microsoft Windows GUI File Searching (grep) utility. Features include regular expressions, versatile printing options, stores most recent used paths and has a "context" feature which is very nice for looking at source code.
regexxer is a nifty GUI search/replace tool featuring Perl-style regular expressions. If you need project-wide substitution and you’re tired of hacking sed command lines together, then you should definitely give it a try.
Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...
Ack is designed as a standalone (one perl file) replacement for 99% of the uses of grep. ack is intelligent about the files it searches. It knows about certain file types, based on both the extension on the file and, in some cases, the contents of the file.