fn:substringBefore() JSTL Function
fn:substringBefore() JSTL Function Example explains about how to returns a subset of a string before a particular substring.
Consder an example where you need to find a part of a string before a specified substring.
fn:substringBefore() function returns a part of a particular string before a particular substring.
java.lang.String substringBefore ( java.lang.String, java.lang.String )
You can see the below example, which is demonstrating fn:substringBefore() JSTL Function
Required Libraries
fn:substringBefore() 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:substringBefore</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" /> ${fn:substringBefore(str, 'a')} </body> </html>
Output
This is