从 Releases 下载 .xpi，在 about:addons → ⚙ → 从文件安装附加组件 中选择。 临时加载：about:debugging → 此 Firefox → 临时载入附加组件 → 选 manifest.json。

Abstract: Regular expressions are notoriously difficult to get right, with developers often having to resort to trial-and-error approaches. Even so, little attention ...