JSTL Function fn:endsWith()

The <fn:endsWith()> function is used for checking the suffix of a string. This function manipulates the string that ends with specific character or string in JSP.

Syntax of <fn:endsWith()> Tag

boolean fn:endsWith(string,suffix)

In the syntax string and suffix are data type String. It returns the Boolean value. If the input string is tested successfully then the functions returns true else it gives false.

Example of <fn:endsWith()> function is as follows:

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<title>JSTL fn:endsWith Example</title>
			Enter a name <input type="text" name="str" />
		<input type="submit" value="submit" />

	<c:set var="str" value="${param.str}" />


		<c:when test="${fn:endsWith(str, 'esh')==true}">

                        Welcome ${str}

                  Sorry ! You have entered wrong name please enter correct name




Details of the Code

  • < c:set var=”str” value=”${param.text1}”> tag is used to set the variable name which we want to display in the output.
  • < c:when test=”${fn:endsWith(str, ‘JavaBeat.net’)==true}”> this line of code is used to demonstrate If the input string is tested successfully then the functions returns true else it gives false.

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


Above example demonstrate working of fn:endsWith() function. In this we checked whether the entered string JavaBeat.com has the suffix. Since it is correct the function returns true.
endsWith tag

When we enter the value that contains the suffix as JavaBeat.net as showed in the above figure and when we will click on submit button it will show the following output.
endsWith2 tag


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