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Apply Validation On User Input On Bot Framework

In this article, we will apply the validation on the data input by the user.

Pattern Attribute

In the "Pattern" attribute, you can specify the regular expression to validate the user input.

In this example, we will validate the email id format. Here is the code.

[Pattern("^[a-zA-Z0-9+_.-]+@[a-zA-Z0-9.-]+$")]
public string email;

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