com.vaadin.flow.data.validator.

java.lang.Object
- com.vaadin.flow.data.validator.AbstractValidator<String>
- - com.vaadin.flow.data.validator.RegexpValidator

All Implemented Interfaces:

Validator<String>, Serializable, BiFunction<String,ValueContext,ValidationResult>

Direct Known Subclasses:

EmailValidator
```
public class RegexpValidator
extends AbstractValidator<String>
```
A string validator comparing the string against a Java regular expression. Both complete matches and substring matches are supported.
For the Java regular expression syntax, see Pattern.

Since:

1.0.

Author:

Vaadin Ltd

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`RegexpValidator(String errorMessage, String regexp)`	Creates a validator for checking that the regular expression matches the complete string to validate.
`RegexpValidator(String errorMessage, String regexp, boolean complete)`	Creates a validator for checking that the regular expression matches the string to validate.

Method Summary

All Methods
Modifier and Type	Method	Description
`ValidationResult`	`apply(String value, ValueContext context)`	Validates the given value.
`protected boolean`	`isValid(String value)`	Returns whether the given string matches the regular expression.
`String`	`toString()`

Methods inherited from class com.vaadin.flow.data.validator.AbstractValidator
getMessage, toResult

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.function.BiFunction
andThen

- Constructor Detail
  - RegexpValidator
```
public RegexpValidator(String errorMessage,
                       String regexp)
```
    Creates a validator for checking that the regular expression matches the complete string to validate.
    
    Parameters:
    
    errorMessage - the message to display in case the value does not validate.
    
    regexp - a Java regular expression
  - RegexpValidator
```
public RegexpValidator(String errorMessage,
                       String regexp,
                       boolean complete)
```
    Creates a validator for checking that the regular expression matches the string to validate.
    
    Parameters:
    
    errorMessage - the message to display in case the value does not validate.
    
    regexp - a Java regular expression
    
    complete - true to use check for a complete match, false to look for a matching substring
- Method Detail
  - apply
```
public ValidationResult apply(String value,
                              ValueContext context)
```
    Description copied from interface: Validator
    
    Validates the given value. Returns a ValidationResult instance representing the outcome of the validation.
    
    Parameters:
    
    value - the input value to validate
    
    context - the value context for validation
    
    Returns:
    
    the validation result
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - isValid
```
protected boolean isValid(String value)
```
    Returns whether the given string matches the regular expression.
    
    Parameters:
    
    value - the string to match
    
    Returns:
    
    true if the string matched, false otherwise

com.vaadin.flow.data.validator.

Class RegexpValidator

Constructor Summary

Method Summary

Methods inherited from class com.vaadin.flow.data.validator.AbstractValidator

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.function.BiFunction

Constructor Detail

RegexpValidator

RegexpValidator

Method Detail

apply

toString

isValid