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JSTL Function fn:containsIgnoreCase()

March 5, 2014 //  by Krishna Srinivasan//  Leave a Comment

The <fn:containsIgnoreCase()> function is a string function of JSTL. This function is used to check whether the entered string contains the specified substring irrespective of upper case or lower case. This function returns the boolean value.

Syntax of Function <fn:containsIgnoreCase()>

boolean:fn:containsIgnoreCase(string,substring)

Example of Function <fn:containsIgnoreCase()>

In the above syntax string and substring are of data type String it returns the boolean value.

<%@ 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>fn:containsIgnoreCase() example</title>
</head>
<body>
  <c:set var="string1" value="Welcome to JavaBeat.net"/>
  <c:set var="string2" value="javabeat" />
  <c:if test="${fn:containsIgnoreCase(string1, string2)}">
  <c:out value="String1: Welcome to JavaBeat.net contains"/><br><br>
  <c:out value="String2: javabeat"/>
</c:if>
</body>
</html>

Details of the Code

  • < c:set var=”JavaBeat” value=”Welcome to javabeat.net”> tag is used to set the variable name which we want to display in the output.
  • <c:if test=”${fn:containsIgnoreCase(JavaBeat, ‘JavaBeat.net’)}”> this line of code
    checks whether the entered string contains the specified substring irrespective of upper case or lower case.

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 :
output of JSTL Function fn containsIgnoreCase

 

Previous Tutorial :  JSTL Function fn:contains()   :: Next Tutorial :  JSTL Function fn:endsWith()

Category: Java EETag: JSTL Tutorials

About Krishna Srinivasan

He is Founder and Chief Editor of JavaBeat. He has more than 8+ years of experience on developing Web applications. He writes about Spring, DOJO, JSF, Hibernate and many other emerging technologies in this blog.

Previous Post: « JSTL Function fn:contains()
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