# Other Handy Filters

```
//Finds all <img> tags in the document and updates their width and height to make them responsive.
//Useful if you are trying to display raw HTML in your email.
| cleanImages

//Remove the "This post ...." text commonly inserted by CMS plugins like Yoast.
| regex_replace('/The post .* (?:appeared first|first appeared) .*\./', '') 

//Strip out all non-basic html.  Useful when trying to display CMS html content in an email.
//This is still risky but cleanup makes it achieveable.
|striptags('<p><br><span><a><div><b><strong><i><em><img>') ]]
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.feedotter.com/set-up-your-own-template/advanced-template-information/filters/other-handy-filters.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.