JSTL Functions - trim()
The fn:trim() function removes white space from both ends of a string.
Syntax:
The fn:trim() function has following syntax:
java.lang.String trim(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="str1" value=" www.c4learn.com "/> <p>Str1 Length : ${fn:length(str1)}</p> <c:set var="str2" value="${fn:trim(str1)}" /> <p>Str2 Length : ${fn:length(str2)}</p> <p>Output string : ${str2}</p> </body> </html>
Output :
Str1 Length : 20 Str2 Length : 15 Output string : www.c4learn.com