JSF f:validateRegex

by Online Tutorials Library July 14, 2022

JSF <f:validateRegex> Tag

It is used to check whether the local value of a component is a match against a regular expression from the java.util.regex package or not.

Tag Attributes

Attribute	Description
pattern	It is used to set a regular expression pattern for the component. It is a required attribute.

JSF <f:validateRegex> Tag Example

// index.xhtml

 <h:form id=”form”> <h:outputLabel for=”username”>User Name</h:outputLabel> <h:inputText id=”name-id” value=”#{user.name}” validatorMessage=”Your name can have only Alphabets”> <f:validateRegex pattern=”^([a-zA-Z]+(.)?[s]*)$” /> </h:inputText><br/> <h:commandButton value=”OK” action=”response.xhtml”></h:commandButton> </h:form> 

// User.java

 import javax.faces.bean.ManagedBean; import javax.faces.bean.RequestScoped; @ManagedBean @RequestScoped public class User{ String name; public String getName() { return name; } public void setName(String name) { this.name = name; } } 

Output:

JSF F valiregex tag 1

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JSF f:validateRegex

JSF <f:validateRegex> Tag

Tag Attributes

JSF <f:validateRegex> Tag Example

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