> For the complete documentation index, see [llms.txt](https://docs.3dolphins.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.3dolphins.ai/integration/live-chat-designer/new-design/input-validation.md).

# Input Validation

Sometimes, when entering information on the login form, the format data that users entered does not always follow the predetermined criteria. For example, the email format is incorrectly entered or entered username is too short. It will be easier to validate the format data by using input validation.

![Input Validation](/files/BByCJ0eBGsl4KSjtgnnZ)

**Component Explanation:**

| Name               | Description                                                                            |
| ------------------ | -------------------------------------------------------------------------------------- |
| Regex Name         | This property is used to validate entered format name by the user.                     |
| Regex Email        | This property is used to validate entered format email by the user.                    |
| Min Length of Name | This property is used to determine the minimum character length name that users input. |


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