📄 substringcontained.jsp
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<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<html>
<head>
<title>JSTL Functions • Substring Contained in String</title>
</head>
<body bgcolor="#FFFFFF">
<h2>Substring Contained in String</h2>
<c:set var="s1" value="There is a castle on a cloud"/>
<h4>fn:contains</h4>
<table cellpadding="5" border="1">
<tr>
<th align="left">Input String</th>
<th>Substring</th>
<th>Result</th>
</tr>
<tr>
<td>${s1}</td>
<td>castle</td>
<td>${fn:contains(s1, "castle")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>CASTLE</td>
<td>${fn:contains(s1, "CASTLE")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>null</td>
<td>${fn:contains(s1, undefined)}</td>
</tr>
<tr>
<td>${s1}</td>
<td>empty string</td>
<td>${fn:contains(s1, "")}</td>
</tr>
<tr>
<td>null</td>
<td>castle</td>
<td>${fn:contains(undefined, "castle")}</td>
</tr>
<tr>
<td>null</td>
<td>empty string</td>
<td>${fn:contains(undefined, "")}</td>
</tr>
</table>
<h4>fn:containsIgnoreCase</h4>
<table cellpadding="5" border="1">
<tr>
<th align="left">Input String</th>
<th>Substring</th>
<th>Result</th>
</tr>
<tr>
<td>${s1}</td>
<td>castle</td>
<td>${fn:containsIgnoreCase(s1, "castle")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>CASTLE</td>
<td>${fn:containsIgnoreCase(s1, "CASTLE")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>CaStLe</td>
<td>${fn:containsIgnoreCase(s1, "CaStLe")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>null</td>
<td>${fn:containsIgnoreCase(s1, undefined)}</td>
</tr>
<tr>
<td>${s1}</td>
<td>empty string</td>
<td>${fn:containsIgnoreCase(s1, "")}</td>
</tr>
<tr>
<td>null</td>
<td>castle</td>
<td>${fn:containsIgnoreCase(undefined, "castle")}</td>
</tr>
<tr>
<td>null</td>
<td>empty string</td>
<td>${fn:containsIgnoreCase(undefined, "")}</td>
</tr>
</table>
<h4>fn:startsWith</h4>
<table cellpadding="5" border="1">
<tr>
<th align="left">Input String</th>
<th>Substring</th>
<th>Result</th>
</tr>
<tr>
<td>${s1}</td>
<td>castle</td>
<td>${fn:startsWith(s1, "castle")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>There is</td>
<td>${fn:startsWith(s1, "There is")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>null</td>
<td>${fn:startsWith(s1, undefined)}</td>
</tr>
<tr>
<td>${s1}</td>
<td>empty string</td>
<td>${fn:startsWith(s1, "")}</td>
</tr>
<tr>
<td>null</td>
<td>castle</td>
<td>${fn:startsWith(undefined, "castle")}</td>
</tr>
<tr>
<td>null</td>
<td>empty string</td>
<td>${fn:startsWith(undefined, "")}</td>
</tr>
</table>
<h4>fn:endsWith</h4>
<table cellpadding="5" border="1">
<tr>
<th align="left">Input String</th>
<th>Substring</th>
<th>Result</th>
</tr>
<tr>
<td>${s1}</td>
<td>castle</td>
<td>${fn:endsWith(s1, "castle")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>cloud</td>
<td>${fn:endsWith(s1, "cloud")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>null</td>
<td>${fn:endsWith(s1, undefined)}</td>
</tr>
<tr>
<td>${s1}</td>
<td>empty string</td>
<td>${fn:endsWith(s1, "")}</td>
</tr>
<tr>
<td>null</td>
<td>castle</td>
<td>${fn:endsWith(undefined, "castle")}</td>
</tr>
<tr>
<td>null</td>
<td>empty string</td>
<td>${fn:endsWith(undefined, "")}</td>
</tr>
</table>
<h4>fn:indexOf</h4>
<table cellpadding="5" border="1">
<tr>
<th align="left">Input String</th>
<th>Substring</th>
<th>Result</th>
</tr>
<tr>
<td>${s1}</td>
<td>castle</td>
<td>${fn:indexOf(s1, "castle")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>cloud</td>
<td>${fn:indexOf(s1, "cloud")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>null</td>
<td>${fn:indexOf(s1, undefined)}</td>
</tr>
<tr>
<td>${s1}</td>
<td>empty string</td>
<td>${fn:indexOf(s1, "")}</td>
</tr>
<tr>
<td>null</td>
<td>castle</td>
<td>${fn:indexOf(undefined, "castle")}</td>
</tr>
<tr>
<td>null</td>
<td>empty string</td>
<td>${fn:indexOf(undefined, "")}</td>
</tr>
<c:set var="text" value="Products List (2003/05/01)"/>
<tr>
<td colspan="3">Display text in between brackets</td>
</tr>
<tr>
<td>${text}</td>
<td>'(' and ')'</td>
<td>${fn:substring(text, fn:indexOf(text, '(')+1, fn:indexOf(text, ')'))}</td>
</tr>
</table>
<p>
</body>
</html>
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