> For the complete documentation index, see [llms.txt](https://www.heresecurity.wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.heresecurity.wiki/shang-jin-ji-qiao/yi-hang-ming-ling/shi-yong-grep-kuai-su-qu-chu-la-ji-shu-ju.md).

# 使用grep快速去除垃圾数据

```
curl http://host.xx/file.js | grep -Eo "(http|https)://[a-zA-Z0-9./?=_-]*"*
cat file | grep -Eo "(http|https)://[a-zA-Z0-9./?=_-]*"*
```

![image](https://raw.githubusercontent.com/xiaoy-sec/Pentest_Note/master/img/684.png) ![image](https://raw.githubusercontent.com/xiaoy-sec/Pentest_Note/master/img/685.png)