| AbstractNumberValidator | Abstract class for number validator. | 
| DoubleValidator | Validate input being any kind of  Number. | 
| EmailValidator | Email format validation - accepts plain string and collection of strings, for basic behavior like null/blank values
 handling and collections support see  AbstractStringValidator. | 
| IntegerValidator |  | 
| LengthValidator | String value length validation - accepts plain string and collection of strings, for basic behavior like null/blank
 values handling and collections support see  AbstractStringValidator. | 
| LocalDateValidator | A date validator that only takes into account the format associated with the current locale. | 
| NotBlankValidator | Validate that value exists and is not empty nor blank. | 
| NotEmptyValidator | Check that input value is not empty. | 
| OptionsValidator | Validation against list of allowed values - accepts plain string and collection of strings (every value is validated against allowed values), for basic behavior like null/blank
 values handling and collections support see  AbstractStringValidator. | 
| PatternValidator | Validate String against configured RegEx pattern - accepts plain string and collection of strings, for basic behavior
 like null/blank values handling and collections support see  AbstractStringValidator. | 
| UriValidator | URI validation - accepts  URI,  URL and single String. | 
| ValidatorConfigValidator |  |