string method
Creates a VString instance for validating string values.
This method initializes a validator that allows applying multiple string-related validation rules, such as minimum/maximum length, email validation, URL validation, and more.
Example
final validator = v.string().min(5).email();
print(validator.validate("test@example.com")); // true
print(validator.validate("short")); // false (too short)
Parameters
message(optional): A custom error message for validation failures.
Returns
A new instance of VString for string validation.
Implementation
VString string({String? message}) {
return VString(_message.string, message: message);
}