JSTL Function fn:substringBefore Example

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Last Updated on 30 August 2019   |   Print  Email


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

The fn:substringBefore function returns a string before the specified substring.

 

JSTL <fn:substringBefore> Syntax:

${fn:substringBefore(<string>, <substring>)}

 

JSTL <fn:substringBefore> Example:

The following JSP example outputs a string before the substring .net

<%@ 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:substringBefore Demo</title>
  </head>
  <body>
   <h1>fn:substringBefore Demo</h1>
   <c:set var="text" value="www.CodeJava.net is great source of information."/>
   <c:set var="website" value="${fn:substringBefore(text,'.net')}" />
   Full Text: <strong><c:out value="${text}"/></strong><br/><br/>
   Text Before Substring .net <strong><c:out value="${website}"/></strong><br/><br/>	
  </body>
</html>

 

Output:

JSTL function fn-substringBefore

 

Other JSTL Function Tags:

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


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