Intuitive find & replace CLI. * Painless regular expressions sd uses regex syntax that you already know from JavaScript and Python. Forget about dealing with quirks of sed or awk - get productive immediately. * String-literal mode Non-regex find & replace. No more backslashes or remembering which characters are special and need to be escaped. * Easy to read, easy to write Find & replace expressions are split up, which makes them easy to read and write. No more messing with unclosed and escaped slashes. * Smart, common-sense defaults Defaults follow common sense and are tailored for typical daily use.