form validation
[/fɔːrm vælɪˈdeɪʃən/]
nounpl: form validations
validação de formulário
1. The process of checking that data entered into a form meets specified requirements and is correct before submission or processing
Form validation ensures that users enter valid email addresses before submitting the registration form.
A validação de formulário garante que os usuários insiram endereços de email válidos antes de enviar o formulário de registro.
2. In web development, the automated checking of user input against predefined rules and constraints
Client-side form validation provides immediate feedback to users about errors.
A validação de formulário no lado do cliente fornece feedback imediato aos usuários sobre erros.
3. The verification that required fields are filled, data types are correct, and values are within acceptable ranges
The form validation rejected the submission because the password was too short.
A validação de formulário rejeitou o envio porque a senha era muito curta.
Form validation is a fundamental concept in web development and software engineering, emphasizing data quality and user experience. In Brazil, this term is widely adopted in the tech industry without translation, though 'validação de formulário' is the formal Portuguese equivalent. The practice reflects a global shift toward improving data integrity and reducing errors at the point of user entry rather than later in processing pipelines.
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