fn:replace tag of Function Tag Library

What is "fn:replace" tag of Function Tag Library?

Explanation

"fn:replace" is a string function of JSP Standard Tag Library(JSTL). This function is used to replace a substring "before" with another substring "after" to give the resulting string.

Syntax:

String:fn:replace(string,before,after)

In the above syntax the "string", "before", "after" are of data type "String".

Example :

<%@ taglib uri="http://java.sun.com/jsp/jstl/functions"
prefix="fn" %>
<p><b>Example for "fn:replace"::</b></p>
${fn:replace("Myname is SAM",'SAM','PAM')}