Rex - RegEx Highlight or Collapse Text

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Rex - RegEx Highlight or Collapse Text",
  "short_name": "REX",
  "description": "Use regular expressions to highlight or collapse text. Useful for logs or stacktraces.",
  "version": "0.3.1",
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "icons": {
    "32": "img/icon32.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "offline_enabled": true,
  "web_accessible_resources": [
    "css/content.css",
    "js/*.js"
  ],
  "content_scripts": [
    {
      "run_at": "document_idle",
      "matches": [
        "*://*/*",
        "file:///*/*"
      ],
      "css": [
        "css/content.css"
      ],
      "js": [
        "js/content/content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "options_page": "options.html",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_title": "Rex - Search and Highlight",
    "default_icon": "img/icon48.png",
    "default_popup": "popup.html"
  }
}