Underscore Toggle Action for Mac

Overview

What Underscore Toggle does

Switch spaces and underscores on each selected line. It runs locally and handles the selected text without contacting a service.

Category	Text Editing & Formatting
Action type	JavaScript
Default result	Replace selected text by default
Internet	Not required

Example

Action and outcome

Underscore Toggle example
Action	Outcome
Underscore ToggleSelected text: one two three_four	one_two three four

Workflow

Use Underscore Toggle

Follow these steps to switch spaces and underscores on each selected line with ActionClip.

Select the text you want to use.
Choose Underscore Toggle from ActionClip.
In editable text, ActionClip replaces the selection immediately. In read-only text, it opens the result for review and copying.

Before you add it

Requirements and privacy

Before you start: No setup required.
Your selected text: Runs locally in ActionClip’s JavaScript sandbox. Selected text does not leave your Mac.

Inspect before installing

Action script

The script below is included so you can inspect how the action works before downloading it.

JavaScript definition

function run(selected_text) {
  return selected_text.replace(/^(\s*)(.*?)(\s*)$/gm, function (_, before, content, after) {
    if (/[^\S\r\n]/u.test(content)) {
      return before + content.replace(/[^\S\r\n]+/gu, "_") + after;
    }
    return before + content.replace(/_+/gu, " ") + after;
  });
}