| Name | Description | Type | Package | Framework |
| AbstractValidator | Class | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| EmptyValidator | Class | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| EmptyValidator .EmptyMessages | Interface | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| GroupingValidHandler | Group field validation. | Class | com.sencha.gxt.widget.core.client.form.validator | GXT |
| MaxDateValidator | Tests if the value is on the same day or earlier than the specified max date. | Class | com.sencha.gxt.widget.core.client.form.validator | GXT |
| MaxDateValidator .MaxDateMessages | Interface | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| MaxLengthValidator | Class | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| MaxLengthValidator .MaxLengthMessages | Interface | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| MaxNumberValidator | Class | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| MaxNumberValidator .MaxNumberMessages | Interface | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| MinDateValidator | Tests if the value is on the same day or later than the specified minimum date. | Class | com.sencha.gxt.widget.core.client.form.validator | GXT |
| MinDateValidator .MinDateMessages | Interface | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| MinLengthValidator | Class | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| MinLengthValidator .MinLengthMessages | Interface | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| MinNumberValidator | Class | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| MinNumberValidator .MinNumberMessages | Interface | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| RegExValidator | Validates the target value using a regular expression. | Class | com.sencha.gxt.widget.core.client.form.validator | GXT |
| RegExValidator .RegExMessages | Interface | com.sencha.gxt.widget.core.client.form.validator | GXT | |
| Validator | Defines the interface for object that can validate an editor's value. | Interface | com.sencha.gxt.widget.core.client.form | GXT |