<fn:replace()> is a string function. The function replace is used to replace the entered string with specified string. The <fn:replace()> function replaces the existing string with another string.
Syntax of JSTL Function <fn:replace()>
String fn:replace(String input, existing String, String replace_with)
Example of JSTL Function <fn:replace()>
Following example demonstrate the working of <fn:replace()> function. In this example we replace the string Welcome to Javabeat with the new string as Hello JavaBeat.net.
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<html>
<head>
<title>JSTL fn:replace() example</title>
</head>
<body>
<c:set var="author" value="Welcome to Javabeat" />
<p>
String <b>Welcome to Javabeat</b> changed to <b>Hello JavaBeat.net</b>
</p>
${fn:replace(author, "Welcome to Javabeat", "Hello JavaBeat.net")}
</body>
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
Output
When the execution process is completed successfully we will get the following output :
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