Replace a String with another using "fn:replace" tag of JSTL
Posted on: July 2, 2010 at 12:00 AM
Posted on: July 2, 2010 at 12:00 AM
Replace a String with another using <fn:replace> tag of JSTL
In this Section, we will replace a String with another string using <fn:replace> tag of JSTL. This tag returns a string after replacing the given sub string with specified sub string. This takes string type as arguments and returns string type.
EXAMPLE:
In this Example, the string inputted will be replaced with other string/substring using the <fn:replace> tag of JSTL. This takes string type as arguments and returns string type.
fnReplaceJSTL.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>Example of fn:replace tag of Jstl tag library</title> </head> <body> <form method="POST"> <table> <tr> <td>Enter String in you want to replace</td> <td><input type="text" name="string"></td> </tr> <tr> <td>Replace character/string</td> <td><input type="text" name="find"></td> </tr> <tr> <td>Replace with</td> <td><input type="text" name="replaceWith" size="3"></td> </tr> <tr> <td></td> <td><input type="submit" value="Replace all"></td> </tr> </table> </form> <c:if test="${pageContext.request.method=='POST'}"> <c:set var="string" value="${param.string}"/> <c:set var="find" value="${param.find}"/> <c:set var="replaceWith" value="${param.replaceWith}"/> <font size="5" color="#1B2A0A">Result : </font> <font size="5" color="green"> <c:out value="${fn:replace(string,find,replaceWith)}"/> </font> </c:if> </body></ html> |
Output :
After pressing button "Replace all" ,the output will be....
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