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JSTL Function fn:replace()

March 7, 2014 by Krishna Srinivasan Leave a Comment

<fn:replace()> is a string function. The function replace is used to replace the entered string with specified string. The <fn:replace()> function replaces the existing string with another string.

Syntax of JSTL Function <fn:replace()>

[code lang=”html”]
String fn:replace(String input, existing String, String replace_with)
[/code]

Example of JSTL Function <fn:replace()>

Following example demonstrate the working of <fn:replace()> function. In this example we replace the string Welcome to Javabeat with the new string as Hello JavaBeat.net.

[code lang=”html”]
&lt;%@ taglib uri=&quot;http://java.sun.com/jsp/jstl/core&quot; prefix=&quot;c&quot;%&gt;
&lt;%@ taglib uri=&quot;http://java.sun.com/jsp/jstl/functions&quot; prefix=&quot;fn&quot;%&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;JSTL fn:replace() example&lt;/title&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;c:set var=&quot;author&quot; value=&quot;Welcome to Javabeat&quot; /&gt;
&lt;p&gt;
String &lt;b&gt;Welcome to Javabeat&lt;/b&gt; changed to &lt;b&gt;Hello JavaBeat.net&lt;/b&gt;
&lt;/p&gt;
${fn:replace(author, &quot;Welcome to Javabeat&quot;, &quot;Hello JavaBeat.net&quot;)}
&lt;/body&gt;
[/code]

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 :
jstl_fnreplace_demo

 

Previous Tutorial :  JSTL Function fn:trim()

Filed Under: Java EE Tagged With: 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.

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