> For the complete documentation index, see [llms.txt](https://o2bmm.gitbook.io/cat-catch/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://o2bmm.gitbook.io/cat-catch/docs/yi-xie-zheng-ze-pi-pei-shi-li.md).

# 一些正则匹配示例

## facebook

```
(^https://.*\.fbcdn\.net/.*)&bytestart=.*
```

## instagram

```
(^https://scontent[a-z0-9-]*\.cdninstagram\.com/.*)&bytestart=.*
```

{% hint style="info" %}
如果你有超棒的正则 可以在github或用mail分享出来。
{% endhint %}