indexOf: Difference between revisions

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|usage=
|usage=
<source lang="mtmacro" line>
<source lang="mtmacro" line>
index(str, substr)
indexOf(str, substr)
</source>
</source>
<source lang="mtmacro" line>
<source lang="mtmacro" line>
index(str, substr, start)
indexOf(str, substr, start)
</source>
</source>



Revision as of 15:25, 25 January 2012

indexOf() Function

Introduced in version 1.3b48
Returns the index of a substring in the specified string. If the substring does not occur within the string then -1 is returned. If you do not specify the index to start at the search begins at the start of the string otherwise it will begin from the position you specify.

Usage

indexOf(str, substr)
indexOf(str, substr, start)

Examples

[r: indexOf("this is a test", "is")]

Returns 2.

[r: indexOf("this is a test", "is", 3)]

Returns 5.

[r: indexOf("this is a test", "x")]
Returns -1.