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fn:indexOf tag of Function Tag Library
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Tutorials
Jsp
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Topic |
What is "fn:indexOf" tag of Function Tag Library?
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Explanation |
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"fn:indexOf" is a string function of JSP Standard Tag Library(JSTL). This function is used to get the index of the first occurence of the
substring in the given string.The function returns -1, if the string is not found.
Syntax:
integer:fn:indexOf(string,substring)
In the above syntax the "string" and "substring" is of data type "String". It returns a integer value.
Example:
<%@ taglib uri="http://java.sun.com/jsp/jstl/core"
prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions"
prefix="fn" %>
Index of "n" in the string "indiancity"
::${fn:indexOf("indiancity","n")}
Result:
Index of "n" in the string "indiancity"::1
In the above example we found the index value of the first occurence of
the substring "n" in the string "indiancity".
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A Note |
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JSP(Java Server Pages) is one of the most used Server Side Programming Language in the world. Simple introduction, basic program codes with examples. Begin coding your own JSP scripts with this online tutorial. Hope you enjoy this tutorial. Do send your feedback or suggestions on this JavaServer Pages tutorial. This is a copyright content.
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