JSTL Functions – indexOf()
The fn:indexOf() function returns the index within a string of a specified substring.
Syntax:
The fn:indexOf() function has following syntax:
int indexOf(java.lang.String, java.lang.String)
JSTL 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 Tutorial</title> </head> <body> <c:set var="string1" value="Java is simple and easy"/> <p>Index of 'is' : ${fn:indexOf(string1, "is")}</p> </body> </html>
This would produce following result:
Index of 'is' : 5