JSTL Function fn:escapeXml()

The <fn:escapeXml()> function is used to escape characters that could be interpreted as XML markup. This is a string function of JSTL. This function also used to replace all characters which have a special meaning in XML.

The syntax of<fn:escapeXml()> Tag

java.lang.String escapeXml (java.lang.String)

In this syntax string is of data type “String” it returns a string.

Example of <fn:escapeXml()>

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"


<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>



<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">

<title>JSTL EscapeXML Example</title>



	<c:set var="testString"
		value="This is <b>JSTL escapeXML example</b>
			in this JSTL function tutorial."></c:set>
	<br> Without escapeXml function : ${testString}

	<br> Using escapeXml function : ${fn:escapeXml(testString)}


Steps for Execution

  • Save this file as example.jsp in your eclipse IDE.
  • Now select this jsp file, right mouse click and select Run as ->Run on server


When the execution process is completed successfully we will get the following output :
output of jstl function fn escapeXml

In above example fn:escapeXml() function takes string parameter as string and returns the string after escaping XML markup characters. This takes string type as arguments and also returns the string type. This function helps to remove invalid character from address variables


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