Command-line tool

fastmod

brew/fastmod

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Fast, partial replacement for codemod (find/replace tool for programmers)

Website Source

At a glance

Type

Command-line tool

Install on

Windows, macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

Windows

cargo install fastmod

macOS

brew install fastmod
cargo install fastmod

Linux

brew install fastmod
cargo install fastmod

Replace a `regex` in all files of the current directory, ignoring files on `.ignore` and `.gitignore`

fastmod regex replacement

Replace a `regex` in case-insensitive mode in specific files or directories

fastmod --ignore-case regex replacement -- path/to/file_or_directory1 path/to/file_or_directory2 ...

Replace a `regex` in a specific directory in files filtered with a case-insensitive `glob` pattern

fastmod regex replacement --dir path/to/directory --iglob '**/*.{js,json}'

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