JSTL Function fn:toLowerCase Example

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Last Updated on 30 August 2019   |   Print  Email


This post helps you understand the <fn:toLowerCase> tag in the JSTL function tags library with code example.

The fn:toLowerCase function converts all the characters of a given string to lower case.

 

JSTL <fn:toLowerCase> Syntax:

${fn.toLowerCase(<string or var>)}

 

JSTL <fn:toLowerCase> Example:

The following code snippet converts all the upper case characters to lower case.

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
	pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
    <title>fn:toLowerCase Demo</title>
  </head>
  <body>
    <h1>fn:toLowerCase Demo</h1>
    <c:set var="text" value="CODEJAVA.NET IS GREAT SOURCE OF INFORMATION"/>
    Text before conversion:  <c:out value="${text}"/><br/><br/>
    <c:set var="text" value="${fn:toLowerCase(text)}"/>
    Text after conversion:  <c:out value="${text}"/><br/><br/>
  </body>
</html>

 

Output:

JSTL function fn-toLowerCase

 

Other JSTL Function Tags:

contains  |  containsIgnoreCase  |  endsWith |  escapeXml  |  indexOf  |  join  |  length  |  replace  |  split  |  startsWith  |  substring  |  substringAfter  |  substringBefore  |  toUpperCase  |  trim


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is certified Java programmer (SCJP and SCWCD). He began programming with Java back in the days of Java 1.4 and has been passionate about it ever since. You can connect with him on Facebook and watch his Java videos on YouTube.



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