> ## Documentation Index
> Fetch the complete documentation index at: https://docs.comfy.org/llms.txt
> Use this file to discover all available pages before exploring further.

# StringContains - ComfyUI Built-in Node Documentation

> Complete documentation for the StringContains node in ComfyUI. Learn its inputs, outputs, parameters and usage.

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/StringContains/en.md)

The StringContains node checks if a given string contains a specified substring. It can perform this check with either case-sensitive or case-insensitive matching, returning a boolean result indicating whether the substring was found within the main string.

## Inputs

| Parameter        | Data Type | Required | Range | Description                                                            |
| ---------------- | --------- | -------- | ----- | ---------------------------------------------------------------------- |
| `string`         | STRING    | Yes      | -     | The main text string to search within                                  |
| `substring`      | STRING    | Yes      | -     | The text to search for within the main string                          |
| `case_sensitive` | BOOLEAN   | No       | -     | Determines whether the search should be case-sensitive (default: true) |

## Outputs

| Output Name | Data Type | Description                                                           |
| ----------- | --------- | --------------------------------------------------------------------- |
| `contains`  | BOOLEAN   | Returns true if the substring is found in the string, false otherwise |