fn:startsWith tag of Function Tag Library
What is "fn:startsWith" tag of Function Tag Library?
Explanation
"fn:startsWith" is a string function of JSP Standard Tag Library(JSTL). This function is used to check if the string starts with the given "prefix". Returns "true" if it does and "false" vice versa. string.
boolean:fn:startsWith(string,prefix)
In the above syntax the "string" and "prefix" are of Data type "String".
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions"
prefix="fn" %>
<p><b>String "Apple" starts with "n"::</b></p>
${fn:startsWith("Apple",'n')}
String "Apple" starts with "n"::
false
In the above example we have checked the string "Apple" to find if it starts with the prefix "n". Since the string starts with "A" it returns "false".
Syntax:
boolean:fn:startsWith(string,prefix)
In the above syntax the "string" and "prefix" are of Data type "String".
Example :
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions"
prefix="fn" %>
<p><b>String "Apple" starts with "n"::</b></p>
${fn:startsWith("Apple",'n')}
Result
String "Apple" starts with "n"::
false
In the above example we have checked the string "Apple" to find if it starts with the prefix "n". Since the string starts with "A" it returns "false".
