The f:validateRegex Facelet tag exposes the functionality of a RegexValidator inside Facelet views.

General Usage

The pattern attribute can be used to specify a regular expression validation pattern for an input value.


Source Code

<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:f="http://xmlns.jcp.org/jsf/core"
	xmlns:ui="http://xmlns.jcp.org/jsf/facelets" xmlns:h="http://xmlns.jcp.org/jsf/html">

		<label class="control-label">#{i18n['please-enter-your-email']}</label>
		<h:inputText id="email" value="#{inputTextModelBean.text}" label="#{i18n['validate-email-label']}">
			<f:validateRegex pattern=".+[@].+[.].+" />
		<br />
		<h:message for="email" />
		<hr />
		<h:commandButton value="#{i18n['submit']}">
			<f:ajax	execute="@form" render="@form" />
		<h:outputText value="#{inputTextModelBean.text}" />

public class InputTextModelBean {

	private Date date = new GregorianCalendar().getTime();
	private String text;

	public Date getDate() {
		return date;

	public String getText() {
		return text;

	public void setDate(Date date) {
		this.date = date;

	public void setText(String text) {
		this.text = text;
Liferay Faces Bridge Implementation 5.0.0 + Showcase Common 3.1.1 + Liferay Faces Util 3.4.1 + Mojarra 2.2.20