A validator that uses the pattern attribute to validate the wrapping component. The entire pattern is matched against the String value of the component. If it matches, it's valid.
| Info | Value | 
|---|---|
| Validator ID | jakarta.faces.RegularExpression | 
| Handler Class | com.sun.faces.facelets.tag.faces.core.ValidateDelegateHandler | 
| Description | None | 
| Name | Required | Type | Description | 
|---|---|---|---|
| binding | 
							false
						 | jakarta.el.ValueExpression(must evaluate to jakarta.faces.validator.RegexValidator) | A ValueExpression that evaluates to an instance of RegexValidator. | 
| for | false | jakarta.el.ValueExpression(must evaluate to java.lang.String) | If present, this attribute refers to the value of one of the exposed attached objects within the composite component inside of which this tag is nested. | 
| disabled | 
							false
						 | jakarta.el.ValueExpression(must evaluate to java.lang.Boolean) | A boolean value enabling page level determination of whether or not this validator is enabled on the enclosing component. | 
| pattern | true | jakarta.el.ValueExpression(must evaluate to java.lang.String) | A regular expression pattern. Remember that, like in all Java strings, backslash must be escaped with another backslash. |