Regex Replace

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Regex Replace",
  "version": "0.0.5",
  "description": "A regex engine to handle basic regular expressions on all viewed pages.",
  "browser_action": {
    "default_title": "Regex Replace Options",
    "default_icon": {
      "19": "img/gear19.png",
      "38": "img/gear38.png"
    },
    "default_popup": "html/main.html"
  },
  "author": "Jack Kingsman <[email protected]>",
  "icons": {
    "16": "img/gear16.png",
    "48": "img/gear48.png",
    "128": "img/gear128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "js/content_script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "options_page": "html/options.html",
  "permissions": [
    "storage"
  ]
}