Form Validation

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User input validation is used to ensure that respondents fill out all required form fields and the format of values is correct before they are submitted to the server. This example demonstrates how to configure built-in client-side form input validation. Read more...

Numeric Validator 
Enter a number within the range of 0 to 100
Text Length Validator 
Enter text no shorter than 10 and no longer than 280 symbols
E-mail Validator 
Enter an e-mail address
Answer Count Validator 
Select between two to four options
RegEx Validator 
Enter a password that contains at least one upper-case, one lower-case letter, a digit, and a special character
Expression Validator 
Specify a range of numbers
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