# String length ?

This wildcard is substituted with the number of characters in a defined string.

The wildcard is used in the following ways.

* {string.length.?}
* For the following input (?) --> My string is this long
* The output is going to be --> 22

{% hint style="info" %}
Blank spaces are also counted.
{% endhint %}


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# 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.helmut.de/helmut4-releases/v4.10.1/helmut4-components/streamdesigner/wildcards/string-related-wildcards-9/string-length.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.