fn:startsWith() JSTL Function
fn:startsWith() JSTL Function Example explains about if a specified input string starts with the specified prefix.
Consider an example where you need to check whether a string starts with a specified prefix.
fn:startsWith() JSTL Function will test if a specified input string starts with the specified prefix.
boolean startsWith(java.lang.String, java.lang.String)
You can see the below example, which is demonstrating fn:startsWith() JSTL Function
Required Libraries
fn:startsWith() Example
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%> <html> <head> <title>JSTL fn:startsWith</title> </head> <body> <% // you can also set the values into request scope same as using c:set // request.setAttribute("str", "This is a TEST String"); %> <c:set var="str" value="This is a TEST String" /> <c:if test="${fn:startsWith(str, 'This')}"> <p>String starts with 'This'</p> </c:if> </body> </html>
Output
String starts with 'This'