JSTL - fn:substring() Function
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The fn:substring() function returns a subset of a string specified by start and end indices.
Syntax
The fn:substring () function has the following syntax −
java.lang.String substring(java.lang.String, int, int)
Example
Following example explains the functionality of the fn:substring() function −
<%@ taglib uri = "https://java.sun.com/jsp/jstl/core" prefix = "c" %> <%@ taglib uri = "https://java.sun.com/jsp/jstl/functions" prefix = "fn" %> <html> <head> <title>Using JSTL Functions</title> </head> <body> <c:set var = "string1" value = "This is first String."/> <c:set var = "string2" value = "${fn:substring(string1, 5, 15)}" /> <p>Final sub string : ${string2}</p> </body> </html>
You will receive the following result −
Final sub string : is first S
jsp_standard_tag_library.htm
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