JSTL fn:containsIgnoreCase() Function

The fn:containsIgnoreCase() function is used to test if an input string contains the specified substring as a case insensitive way. During searching the specified substring it ignores the case

The syntax used for including the fn:containsIgnoreCase() function is:

Let's see the simple example to understand the functionality of fn:containsIgnoreCase() function:

<%@ 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>Using JSTL Functions</title>
</head>
<body>

<c:set var="String" value="Welcome to javatpoint"/>

<c:if test="${fn:containsIgnoreCase(String, 'javatpoint')}">
   <p>Found javatpoint string<p>
</c:if>

<c:if test="${fn:containsIgnoreCase(String, 'JAVATPOINT')}">
   <p>Found JAVATPOINT string<p>
</c:if>

</body>
</html>

Output:

Found javatpoint string
Found JAVATPOINT string

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