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# JSTL fn:split() Function

The fn:split() function splits a string into an array of substrings based on a delimiter string.

## Syntax:

The fn:split() function has following syntax:

    java.lang.String[] split(java.lang.String, java.lang.String)

## Example:

Following is the example to explain the functionality of this function:

    <%@ 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>Using JSTL Functions</title>
    </head>
    <body>

    <c:set var="string1" value="This is first String."/>
    <c:set var="string2" value="${fn:split(string1, ' ')}" />
    <c:set var="string3" value="${fn:join(string2, '-')}" />

    <p>String (3) : ${string3}</p>

    <c:set var="string4" value="${fn:split(string3, '-')}" />
    <c:set var="string5" value="${fn:join(string4, ' ')}" />

    <p>String (5) : ${string5}</p>

    </body>
    </html>

This would produce following result:

    String (3) : This-is-first-String.
    String (5) : This is first String.

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