Validator

All Known Implementing Classes:

BigDecimalValidator, BigIntegerValidator, ComparableRangeValidator, ComparableValidator, DecimalValidator, DoubleRangeValidator, DoubleValidator, EmptyTextValidator, FloatRangeValidator, FloatValidator, FormattedValidator, IntRangeValidator, IntValidator, LongRangeValidator, NotEmptyTextValidator, RegexTextValidator

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface Validator
```
Validation interface for text components. Allows the programmer to specify constraints on text data.
This is indicated visually to the user (a red background would be typical), and events are fired by the TextInput if the programmer wishes to take further action.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isValid(java.lang.String text)`	Determines if a text value is valid based on the rules of the validator.

- Method Detail
  - isValid
```
boolean isValid(java.lang.String text)
```
    Determines if a text value is valid based on the rules of the validator.
    
    Parameters:
    
    text - The text to test.
    
    Returns:
    
    true if the value is valid; false, otherwise.