| <%@ 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 • String Subset</title> |
| </head> |
| <body bgcolor="#FFFFFF"> |
| |
| <h2>String Subset</h2> |
| |
| <c:set var="zip" value="75843-5643"/> |
| <c:set var="s1" value="There is a castle on a cloud"/> |
| |
| <h4>fn:substring</h4> |
| <table cellpadding="5" border="1"> |
| <tr> |
| <th align="left">Input String</th> |
| <th>beginIndex</th> |
| <th>endIndex</th> |
| <th>Result</th> |
| </tr> |
| <tr> |
| <td>${zip}</td> |
| <td>6</td> |
| <td>-1</td> |
| <td>P.O. Box: ${fn:substring(zip, 6, -1)}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>11</td> |
| <td>17</td> |
| <td>${fn:substring(s1, 11, 17)}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>12</td> |
| <td>5</td> |
| <td> ${fn:substring(s1, 12, 5)}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>23</td> |
| <td>-1</td> |
| <td>${fn:substring(s1, 23, -1)}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>23</td> |
| <td>999</td> |
| <td>${fn:substring(s1, 23, 999)}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>-1</td> |
| <td>-1</td> |
| <td>${fn:substring(s1, -1, -1)}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>99</td> |
| <td>12</td> |
| <td> ${fn:substring(s1, 99, 12)}</td> |
| </tr> |
| <tr> |
| <td>empty string</td> |
| <td>2</td> |
| <td>6</td> |
| <td> ${fn:substring("", 2, 6)}</td> |
| </tr> |
| <tr> |
| <td>null</td> |
| <td>2</td> |
| <td>6</td> |
| <td> ${fn:substring(undefined, 2, 6)}</td> |
| </tr> |
| </table> |
| |
| <h4>fn:substringAfter</h4> |
| <table cellpadding="5" border="1"> |
| <tr> |
| <th align="left">Input String</th> |
| <th>substring</th> |
| <th>Result</th> |
| </tr> |
| <tr> |
| <td>${zip}</td> |
| <td>-</td> |
| <td>P.O. Box: ${fn:substringAfter(zip, "-")}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>There</td> |
| <td>${fn:substringAfter(s1, "There")}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>on a</td> |
| <td>${fn:substringAfter(s1, "on a")}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>not found</td> |
| <td> ${fn:substringAfter(s1, "not found")}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>null</td> |
| <td>${fn:substringAfter(s1, undefined)}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>empty string</td> |
| <td>${fn:substringAfter(s1, "")}</td> |
| </tr> |
| <tr> |
| <td>empty string</td> |
| <td>castle</td> |
| <td> ${fn:substringAfter("", "castle")}</td> |
| </tr> |
| <tr> |
| <td>null</td> |
| <td>castle</td> |
| <td> ${fn:substringAfter(undefined, "castle")}</td> |
| </tr> |
| <tr> |
| <td>null</td> |
| <td>empty string</td> |
| <td> ${fn:substringAfter(undefined, "")}</td> |
| </tr> |
| </table> |
| |
| <h4>fn:substringBefore</h4> |
| <table cellpadding="5" border="1"> |
| <tr> |
| <th align="left">Input String</th> |
| <th>substring</th> |
| <th>Result</th> |
| </tr> |
| <tr> |
| <td>${zip}</td> |
| <td>-</td> |
| <td>Zip without P.O. Box: ${fn:substringBefore(zip, "-")}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>on a</td> |
| <td>${fn:substringBefore(s1, "on a")}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>castle</td> |
| <td>${fn:substringBefore(s1, "castle")}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>null</td> |
| <td> ${fn:substringBefore(s1, undefined)}</td> |
| </tr> |
| <tr> |
| <td>${s1}</td> |
| <td>empty string</td> |
| <td> ${fn:substringBefore(s1, "")}</td> |
| </tr> |
| <tr> |
| <td>empty string</td> |
| <td>castle</td> |
| <td> ${fn:substringBefore("", "castle")}</td> |
| </tr> |
| <tr> |
| <td>null</td> |
| <td>castle</td> |
| <td> ${fn:substringBefore(undefined, "castle")}</td> |
| </tr> |
| <tr> |
| <td>null</td> |
| <td>empty string</td> |
| <td> ${fn:substringBefore(undefined, "")}</td> |
| </tr> |
| </table> |
| |
| </body> |
| </html> |
